diff --git a/smc.h b/smc.h
index 6bad78f..149d41c 100644
--- a/smc.h
+++ b/smc.h
@@ -39,7 +39,7 @@
 #define DATATYPE_SP78 "sp78"
 
 // key values
-#define SMC_KEY_CPU_TEMP "TC0P"
+#define SMC_KEY_CPU_TEMP "TC0F"
 #define SMC_KEY_GPU_TEMP "TG0P"
 #define SMC_KEY_FAN0_RPM_CUR "F0Ac"