diff --git a/Library/OcHiiDatabaseLib/ConfigKeywordHandler.c b/Library/OcHiiDatabaseLib/ConfigKeywordHandler.c
index 05110bd8f01..71eb8fad56d 100644
--- a/Library/OcHiiDatabaseLib/ConfigKeywordHandler.c
+++ b/Library/OcHiiDatabaseLib/ConfigKeywordHandler.c
@@ -1987,7 +1987,7 @@ GetNameFromId (
                    NULL
                    );
   if (BestLanguage == NULL) {
-    BestLanguage = AllocateCopyPool (L_STR_LEN ("en-US"), "en-US");
+    BestLanguage = AllocateCopyPool (L_STR_SIZE ("en-US"), "en-US");
     ASSERT (BestLanguage != NULL);
   }