diff --git a/EdkCompatibilityPkg/Compatibility/FrameworkHiiOnUefiHiiThunk/HiiDatabase.c b/EdkCompatibilityPkg/Compatibility/FrameworkHiiOnUefiHiiThunk/HiiDatabase.c
index 4572254d2c..a89d91e233 100644
--- a/EdkCompatibilityPkg/Compatibility/FrameworkHiiOnUefiHiiThunk/HiiDatabase.c
+++ b/EdkCompatibilityPkg/Compatibility/FrameworkHiiOnUefiHiiThunk/HiiDatabase.c
@@ -324,7 +324,7 @@ LangCodes3066To639 (
   // Allocate working buffer to contain substring of LangCodes3066.
   //
   Lang = AllocatePool (AsciiStrSize (LangCodes3066));
-  if (Lang != NULL) {
+  if (Lang == NULL) {
     return EFI_OUT_OF_RESOURCES;
   }