diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c
index a97e28b8dd..d547f42f3a 100644
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigRouting.c
@@ -2103,7 +2103,7 @@ ParseIfrData (
   EFI_HII_PACKAGE_HEADER   *PackageHeader;
   EFI_VARSTORE_ID          VarStoreId;
   UINT16                   SmallestDefaultId;
-  UINT16                   SmallestIdFromFlag;
+  BOOLEAN                  SmallestIdFromFlag;
   BOOLEAN                  FromOtherDefaultOpcode;
 
   Status           = EFI_SUCCESS;