diff --git a/al1.pkr.hcl b/al1.pkr.hcl
index fbd78e9..7a6c64b 100644
--- a/al1.pkr.hcl
+++ b/al1.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al1 = "${var.ami_name_prefix_al1}${var.ami_version}-amazon-ecs-optimized"
+  ami_name_al1 = "${var.ami_name_prefix_al1}${var.ami_version_al1}-amazon-ecs-optimized"
 }
 
 source "amazon-ebs" "al1" {
   ami_name        = "${local.ami_name_al1}"
-  ami_description = "Amazon Linux AMI amzn-ami-2018.03.${var.ami_version} x86_64 ECS HVM GP2"
+  ami_description = "Amazon Linux AMI amzn-ami-2018.03.${var.ami_version_al1} x86_64 ECS HVM GP2"
   instance_type   = var.general_purpose_instance_types[0]
   launch_block_device_mappings {
     volume_size           = 8
@@ -36,7 +36,7 @@ source "amazon-ebs" "al1" {
     ecs_runtime_version = "Docker version ${var.docker_version_al1}"
     ecs_agent_version   = "${var.ecs_version_al1}"
     ami_type            = "al1"
-    ami_version         = "2018.03.${var.ami_version}"
+    ami_version         = "2018.03.${var.ami_version_al1}"
   }
 }
 
diff --git a/al2.pkr.hcl b/al2.pkr.hcl
index fb03ba7..c68b80c 100644
--- a/al2.pkr.hcl
+++ b/al2.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al2 = "${var.ami_name_prefix_al2}-hvm-2.0.${var.ami_version}-x86_64-ebs"
+  ami_name_al2 = "${var.ami_name_prefix_al2}-hvm-2.0.${var.ami_version_al2}-x86_64-ebs"
 }
 
 source "amazon-ebs" "al2" {
   ami_name        = "${local.ami_name_al2}"
-  ami_description = "Amazon Linux AMI 2.0.${var.ami_version} x86_64 ECS HVM GP2"
+  ami_description = "Amazon Linux AMI 2.0.${var.ami_version_al2} x86_64 ECS HVM GP2"
   instance_type   = var.general_purpose_instance_types[0]
   launch_block_device_mappings {
     volume_size           = var.block_device_size_gb
@@ -28,7 +28,7 @@ source "amazon-ebs" "al2" {
     ecs_runtime_version = "Docker version ${var.docker_version}"
     ecs_agent_version   = "${var.ecs_agent_version}"
     ami_type            = "al2"
-    ami_version         = "2.0.${var.ami_version}"
+    ami_version         = "2.0.${var.ami_version_al2}"
   }
 }
 
diff --git a/al2023.pkr.hcl b/al2023.pkr.hcl
index 0a3e535..ac2c6cc 100644
--- a/al2023.pkr.hcl
+++ b/al2023.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al2023 = "${var.ami_name_prefix_al2023}-hvm-2023.0.${var.ami_version}${var.kernel_version_al2023}-x86_64"
+  ami_name_al2023 = "${var.ami_name_prefix_al2023}-hvm-2023.0.${var.ami_version_al2023}${var.kernel_version_al2023}-x86_64"
 }
 
 source "amazon-ebs" "al2023" {
   ami_name        = "${local.ami_name_al2023}"
-  ami_description = "Amazon Linux AMI 2023.0.${var.ami_version} x86_64 ECS HVM EBS"
+  ami_description = "Amazon Linux AMI 2023.0.${var.ami_version_al2023} x86_64 ECS HVM EBS"
   instance_type   = var.general_purpose_instance_types[0]
   launch_block_device_mappings {
     volume_size           = var.block_device_size_gb
@@ -28,7 +28,7 @@ source "amazon-ebs" "al2023" {
     ecs_runtime_version = "Docker version ${var.docker_version_al2023}"
     ecs_agent_version   = "${var.ecs_agent_version}"
     ami_type            = "al2023"
-    ami_version         = "2023.0.${var.ami_version}"
+    ami_version         = "2023.0.${var.ami_version_al2023}"
   }
 }
 
diff --git a/al2023arm.pkr.hcl b/al2023arm.pkr.hcl
index 154d858..2bc8870 100644
--- a/al2023arm.pkr.hcl
+++ b/al2023arm.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al2023arm = "${var.ami_name_prefix_al2023}-hvm-2023.0.${var.ami_version}${var.kernel_version_al2023arm}-arm64"
+  ami_name_al2023arm = "${var.ami_name_prefix_al2023}-hvm-2023.0.${var.ami_version_al2023}${var.kernel_version_al2023arm}-arm64"
 }
 
 source "amazon-ebs" "al2023arm" {
   ami_name        = "${local.ami_name_al2023arm}"
-  ami_description = "Amazon Linux AMI 2023.0.${var.ami_version} arm64 ECS HVM EBS"
+  ami_description = "Amazon Linux AMI 2023.0.${var.ami_version_al2023} arm64 ECS HVM EBS"
   instance_type   = var.arm_instance_types[0]
   launch_block_device_mappings {
     volume_size           = var.block_device_size_gb
@@ -28,6 +28,6 @@ source "amazon-ebs" "al2023arm" {
     ecs_runtime_version = "Docker version ${var.docker_version_al2023}"
     ecs_agent_version   = "${var.ecs_agent_version}"
     ami_type            = "al2023arm"
-    ami_version         = "2023.0.${var.ami_version}"
+    ami_version         = "2023.0.${var.ami_version_al2023}"
   }
 }
diff --git a/al2023neu.pkr.hcl b/al2023neu.pkr.hcl
index 35ea4a1..1ea860e 100644
--- a/al2023neu.pkr.hcl
+++ b/al2023neu.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al2023neu = "${var.ami_name_prefix_al2023}-neuron-hvm-2023.0.${var.ami_version}${var.kernel_version_al2023}-x86_64"
+  ami_name_al2023neu = "${var.ami_name_prefix_al2023}-neuron-hvm-2023.0.${var.ami_version_al2023}${var.kernel_version_al2023}-x86_64"
 }
 
 source "amazon-ebs" "al2023neu" {
   ami_name        = "${local.ami_name_al2023neu}"
-  ami_description = "Amazon Linux AMI 2023.0.${var.ami_version} x86_64 ECS HVM EBS"
+  ami_description = "Amazon Linux AMI 2023.0.${var.ami_version_al2023} x86_64 ECS HVM EBS"
   instance_type   = var.neu_instance_types[0]
   launch_block_device_mappings {
     volume_size           = var.block_device_size_gb
@@ -28,7 +28,7 @@ source "amazon-ebs" "al2023neu" {
     ecs_runtime_version = "Docker version ${var.docker_version_al2023}"
     ecs_agent_version   = "${var.ecs_agent_version}"
     ami_type            = "al2023neu"
-    ami_version         = "2023.0.${var.ami_version}"
+    ami_version         = "2023.0.${var.ami_version_al2023}"
   }
 }
 
diff --git a/al2arm.pkr.hcl b/al2arm.pkr.hcl
index 7aa99a1..88739fd 100644
--- a/al2arm.pkr.hcl
+++ b/al2arm.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al2arm = "${var.ami_name_prefix_al2}-hvm-2.0.${var.ami_version}-arm64-ebs"
+  ami_name_al2arm = "${var.ami_name_prefix_al2}-hvm-2.0.${var.ami_version_al2}-arm64-ebs"
 }
 
 source "amazon-ebs" "al2arm" {
   ami_name        = "${local.ami_name_al2arm}"
-  ami_description = "Amazon Linux AMI 2.0.${var.ami_version} arm64 ECS HVM GP2"
+  ami_description = "Amazon Linux AMI 2.0.${var.ami_version_al2} arm64 ECS HVM GP2"
   instance_type   = var.arm_instance_types[0]
   launch_block_device_mappings {
     volume_size           = var.block_device_size_gb
@@ -28,6 +28,6 @@ source "amazon-ebs" "al2arm" {
     ecs_runtime_version = "Docker version ${var.docker_version}"
     ecs_agent_version   = "${var.ecs_agent_version}"
     ami_type            = "al2arm"
-    ami_version         = "2.0.${var.ami_version}"
+    ami_version         = "2.0.${var.ami_version_al2}"
   }
 }
diff --git a/al2gpu.pkr.hcl b/al2gpu.pkr.hcl
index baf74c2..02401c8 100644
--- a/al2gpu.pkr.hcl
+++ b/al2gpu.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al2gpu = "${var.ami_name_prefix_al2}-gpu-hvm-2.0.${var.ami_version}-x86_64-ebs"
+  ami_name_al2gpu = "${var.ami_name_prefix_al2}-gpu-hvm-2.0.${var.ami_version_al2}-x86_64-ebs"
 }
 
 source "amazon-ebs" "al2gpu" {
   ami_name        = "${local.ami_name_al2gpu}"
-  ami_description = "Amazon Linux AMI 2.0.${var.ami_version} x86_64 ECS HVM GP2"
+  ami_description = "Amazon Linux AMI 2.0.${var.ami_version_al2} x86_64 ECS HVM GP2"
   instance_type   = var.gpu_instance_types[0]
   launch_block_device_mappings {
     volume_size           = var.block_device_size_gb
@@ -28,6 +28,6 @@ source "amazon-ebs" "al2gpu" {
     ecs_runtime_version = "Docker version ${var.docker_version}"
     ecs_agent_version   = "${var.ecs_agent_version}"
     ami_type            = "al2gpu"
-    ami_version         = "2.0.${var.ami_version}"
+    ami_version         = "2.0.${var.ami_version_al2}"
   }
 }
diff --git a/al2inf.pkr.hcl b/al2inf.pkr.hcl
index b13cf90..b44bc28 100644
--- a/al2inf.pkr.hcl
+++ b/al2inf.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al2inf = "${var.ami_name_prefix_al2}-inf-hvm-2.0.${var.ami_version}-x86_64-ebs"
+  ami_name_al2inf = "${var.ami_name_prefix_al2}-inf-hvm-2.0.${var.ami_version_al2}-x86_64-ebs"
 }
 
 source "amazon-ebs" "al2inf" {
   ami_name        = "${local.ami_name_al2inf}"
-  ami_description = "Amazon Linux AMI 2.0.${var.ami_version} x86_64 ECS HVM GP2"
+  ami_description = "Amazon Linux AMI 2.0.${var.ami_version_al2} x86_64 ECS HVM GP2"
   instance_type   = var.inf_instance_types[0]
   launch_block_device_mappings {
     volume_size           = var.block_device_size_gb
@@ -28,6 +28,6 @@ source "amazon-ebs" "al2inf" {
     ecs_runtime_version = "Docker version ${var.docker_version}"
     ecs_agent_version   = "${var.ecs_agent_version}"
     ami_type            = "al2inf"
-    ami_version         = "2.0.${var.ami_version}"
+    ami_version         = "2.0.${var.ami_version_al2}"
   }
 }
diff --git a/al2keplergpu.pkr.hcl b/al2keplergpu.pkr.hcl
index 84dcdc8..5ffd504 100644
--- a/al2keplergpu.pkr.hcl
+++ b/al2keplergpu.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al2keplergpu = "${var.ami_name_prefix_al2}-kepler-gpu-hvm-2.0.${var.ami_version}-x86_64-ebs"
+  ami_name_al2keplergpu = "${var.ami_name_prefix_al2}-kepler-gpu-hvm-2.0.${var.ami_version_al2}-x86_64-ebs"
 }
 
 source "amazon-ebs" "al2keplergpu" {
   ami_name        = "${local.ami_name_al2keplergpu}"
-  ami_description = "Amazon Linux AMI 2.0.${var.ami_version} x86_64 ECS HVM GP2"
+  ami_description = "Amazon Linux AMI 2.0.${var.ami_version_al2} x86_64 ECS HVM GP2"
   instance_type   = var.gpu_instance_types[0]
   launch_block_device_mappings {
     volume_size           = var.block_device_size_gb
@@ -28,6 +28,6 @@ source "amazon-ebs" "al2keplergpu" {
     ecs_runtime_version = "Docker version ${var.docker_version}"
     ecs_agent_version   = "${var.ecs_agent_version}"
     ami_type            = "al2keplergpu"
-    ami_version         = "2.0.${var.ami_version}"
+    ami_version         = "2.0.${var.ami_version_al2}"
   }
 }
diff --git a/al2kernel5dot10.pkr.hcl b/al2kernel5dot10.pkr.hcl
index b817043..0c730d0 100644
--- a/al2kernel5dot10.pkr.hcl
+++ b/al2kernel5dot10.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al2kernel5dot10 = "${var.ami_name_prefix_al2}-kernel-5.10-hvm-2.0.${var.ami_version}-x86_64-ebs"
+  ami_name_al2kernel5dot10 = "${var.ami_name_prefix_al2}-kernel-5.10-hvm-2.0.${var.ami_version_al2}-x86_64-ebs"
 }
 
 source "amazon-ebs" "al2kernel5dot10" {
   ami_name        = "${local.ami_name_al2kernel5dot10}"
-  ami_description = "Amazon Linux AMI 2.0.${var.ami_version} Kernel 5.10 x86_64 ECS HVM GP2"
+  ami_description = "Amazon Linux AMI 2.0.${var.ami_version_al2} Kernel 5.10 x86_64 ECS HVM GP2"
   instance_type   = var.general_purpose_instance_types[0]
   launch_block_device_mappings {
     volume_size           = var.block_device_size_gb
@@ -28,6 +28,6 @@ source "amazon-ebs" "al2kernel5dot10" {
     ecs_runtime_version = "Docker version ${var.docker_version}"
     ecs_agent_version   = "${var.ecs_agent_version}"
     ami_type            = "al2kernel5dot10"
-    ami_version         = "2.0.${var.ami_version}"
+    ami_version         = "2.0.${var.ami_version_al2}"
   }
 }
diff --git a/al2kernel5dot10arm.pkr.hcl b/al2kernel5dot10arm.pkr.hcl
index 51c878b..c689b75 100644
--- a/al2kernel5dot10arm.pkr.hcl
+++ b/al2kernel5dot10arm.pkr.hcl
@@ -1,10 +1,10 @@
 locals {
-  ami_name_al2kernel5dot10arm = "${var.ami_name_prefix_al2}-kernel-5.10-hvm-2.0.${var.ami_version}-arm64-ebs"
+  ami_name_al2kernel5dot10arm = "${var.ami_name_prefix_al2}-kernel-5.10-hvm-2.0.${var.ami_version_al2}-arm64-ebs"
 }
 
 source "amazon-ebs" "al2kernel5dot10arm" {
   ami_name        = "${local.ami_name_al2kernel5dot10arm}"
-  ami_description = "Amazon Linux AMI 2.0.${var.ami_version} Kernel 5.10 arm64 ECS HVM GP2"
+  ami_description = "Amazon Linux AMI 2.0.${var.ami_version_al2} Kernel 5.10 arm64 ECS HVM GP2"
   instance_type   = var.arm_instance_types[0]
   launch_block_device_mappings {
     volume_size           = var.block_device_size_gb
@@ -28,6 +28,6 @@ source "amazon-ebs" "al2kernel5dot10arm" {
     ecs_runtime_version = "Docker version ${var.docker_version}"
     ecs_agent_version   = "${var.ecs_agent_version}"
     ami_type            = "al2kernel5dot10arm"
-    ami_version         = "2.0.${var.ami_version}"
+    ami_version         = "2.0.${var.ami_version_al2}"
   }
 }
diff --git a/generate-release-vars.sh b/generate-release-vars.sh
index 8cbde63..18a0b78 100755
--- a/generate-release-vars.sh
+++ b/generate-release-vars.sh
@@ -40,7 +40,7 @@ case "$ami_type" in
     readonly exec_ssm_version=$(sed -n '/variable "exec_ssm_version" {/,/}/p' variables.pkr.hcl | grep "default" | awk -F '"' '{ print $2 }')
 
     cat >|release-al1.auto.pkrvars.hcl <<EOF
-ami_version        = "$ami_version"
+ami_version_al1    = "$ami_version"
 ecs_version_al1    = "$ecs_version_al1"
 docker_version_al1 = "$docker_version_al1"
 exec_ssm_version   = "$exec_ssm_version"
@@ -67,7 +67,7 @@ EOF
     readonly exec_ssm_version=$(sed -n '/variable "exec_ssm_version" {/,/}/p' variables.pkr.hcl | grep "default" | awk -F '"' '{ print $2 }')
 
     cat >|release-al2.auto.pkrvars.hcl <<EOF
-ami_version                   = "$ami_version"
+ami_version_al2               = "$ami_version"
 ecs_agent_version             = "$ecs_agent_version"
 ecs_init_rev                  = "$ecs_init_rev"
 docker_version                = "$docker_version"
@@ -104,7 +104,7 @@ EOF
     readonly exec_ssm_version=$(sed -n '/variable "exec_ssm_version" {/,/}/p' variables.pkr.hcl | grep "default" | awk -F '"' '{ print $2 }')
 
     cat >|release-al2023.auto.pkrvars.hcl <<EOF
-ami_version                 = "$ami_version"
+ami_version_al2023          = "$ami_version"
 ecs_agent_version           = "$ecs_agent_version"
 ecs_init_rev                = "$ecs_init_rev"
 docker_version_al2023       = "$docker_version_al2023"
diff --git a/release-al1.auto.pkrvars.hcl b/release-al1.auto.pkrvars.hcl
index 3242886..88ad1d3 100644
--- a/release-al1.auto.pkrvars.hcl
+++ b/release-al1.auto.pkrvars.hcl
@@ -1,4 +1,4 @@
-ami_version        = "20240201"
+ami_version_al1    = "20240201"
 ecs_version_al1    = "1.51.0"
 docker_version_al1 = "20.10.13"
 exec_ssm_version   = "3.2.1630.0"
diff --git a/release-al2.auto.pkrvars.hcl b/release-al2.auto.pkrvars.hcl
index 2e638ec..1a4ac29 100644
--- a/release-al2.auto.pkrvars.hcl
+++ b/release-al2.auto.pkrvars.hcl
@@ -1,4 +1,4 @@
-ami_version                   = "20240207"
+ami_version_al2               = "20240207"
 ecs_agent_version             = "1.81.0"
 ecs_init_rev                  = "1"
 docker_version                = "20.10.25"
diff --git a/release-al2023.auto.pkrvars.hcl b/release-al2023.auto.pkrvars.hcl
index e4c50d6..2610479 100644
--- a/release-al2023.auto.pkrvars.hcl
+++ b/release-al2023.auto.pkrvars.hcl
@@ -1,4 +1,4 @@
-ami_version                 = "20240207"
+ami_version_al2023          = "20240207"
 ecs_agent_version           = "1.81.0"
 ecs_init_rev                = "1"
 docker_version_al2023       = "20.10.25"
diff --git a/variables.pkr.hcl b/variables.pkr.hcl
index 775342e..da058dc 100644
--- a/variables.pkr.hcl
+++ b/variables.pkr.hcl
@@ -13,6 +13,12 @@ locals {
   packages_al2023 = "amazon-efs-utils amazon-ssm-agent amazon-ec2-net-utils acpid"
 }
 
+variable "ami_name_prefix_al1" {
+  type        = string
+  description = "Outputted AMI name prefix."
+  default     = "unofficial-amzn-ami-2018.03."
+}
+
 variable "ami_name_prefix_al2" {
   type        = string
   description = "Outputted AMI name prefix."
@@ -25,7 +31,17 @@ variable "ami_name_prefix_al2023" {
   default     = "unofficial-amzn2023-ami-ecs"
 }
 
-variable "ami_version" {
+variable "ami_version_al1" {
+  type        = string
+  description = "Outputted AMI version."
+}
+
+variable "ami_version_al2" {
+  type        = string
+  description = "Outputted AMI version."
+}
+
+variable "ami_version_al2023" {
   type        = string
   description = "Outputted AMI version."
 }
@@ -140,12 +156,6 @@ variable "kernel_version_al2023arm" {
   description = "Amazon Linux 2023 ARM kernel version."
 }
 
-variable "ami_name_prefix_al1" {
-  type        = string
-  description = "Outputted AMI name prefix."
-  default     = "unofficial-amzn-ami-2018.03."
-}
-
 variable "source_ami_al1" {
   type        = string
   description = "Amazon Linux 1 source AMI to build from."