diff --git a/Cargo.lock b/Cargo.lock
index 37fce76..6aa84ce 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,7 +4,7 @@ version = 3
 
 [[package]]
 name = "auto_encoder"
-version = "0.1.3"
+version = "0.1.4"
 dependencies = [
  "chardetng",
  "encoding_rs",
diff --git a/Cargo.toml b/Cargo.toml
index 80757ac..d9f4791 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "auto_encoder"
-version = "0.1.3"
+version = "0.1.4"
 edition = "2021"
 description = "Auto encoding library"
 repository = "https://github.com/spider-rs/auto-encoder"
diff --git a/src/lib.rs b/src/lib.rs
index 892517d..db0151b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -204,6 +204,10 @@ pub fn encoding_for_locale(locale: &str) -> Option<&'static encoding_rs::Encodin
 
 /// Checks if the file is a known binary format using its initial bytes.
 pub fn is_binary_file(content: &[u8]) -> bool {
+    if content.is_empty() {
+        return false;
+    }
+
     if let Some(&keys) = FIRST_BYTE_MAP.get(&content[0]) {
         for &key in keys {
             if let Some(&k) = ASSET_NUMBERS.get(key) {