diff --git a/IntelFrameworkPkg/Library/FrameworkUefiLib/UefiLib.c b/IntelFrameworkPkg/Library/FrameworkUefiLib/UefiLib.c
index 443a739172..1d71f471b8 100644
--- a/IntelFrameworkPkg/Library/FrameworkUefiLib/UefiLib.c
+++ b/IntelFrameworkPkg/Library/FrameworkUefiLib/UefiLib.c
@@ -1486,7 +1486,7 @@ CHAR8 *
 EFIAPI
 GetBestLanguage (
   IN CONST CHAR8  *SupportedLanguages, 
-  IN BOOLEAN      Iso639Language,
+  IN UINTN        Iso639Language,
   ...
   )
 {