Index: Library/UefiShellLib/UefiShellLib.c
===================================================================
--- Library/UefiShellLib/UefiShellLib.c	(revision 16302)
+++ Library/UefiShellLib/UefiShellLib.c	(working copy)
@@ -2078,7 +2078,7 @@
           ASSERT(GetItemValue == 0);
           break;
       }
-    } else if (GetItemValue != 0 && !InternalIsFlag(Argv[LoopCounter], AlwaysAllowNumbers, CurrentItemPackage->Type == TypeTimeValue)) {
+    } else if (GetItemValue != 0 && !InternalIsFlag(Argv[LoopCounter], AlwaysAllowNumbers, (CONST BOOLEAN)(CurrentItemPackage->Type == TypeTimeValue))) {
       ASSERT(CurrentItemPackage != NULL);
       //
       // get the item VALUE for a previous flag