diff --git a/dlls/user32/tests/menu.c b/dlls/user32/tests/menu.c
index 6c60335adf5..e4c4ceac8b4 100644
--- a/dlls/user32/tests/menu.c
+++ b/dlls/user32/tests/menu.c
@@ -2005,9 +2005,10 @@ static void test_menu_hilitemenuitem( void )
 static void check_menu_items(HMENU hmenu, UINT checked_cmd, UINT checked_type,
                              UINT checked_state)
 {
-    UINT i, count;
+    INT i, count;
 
     count = GetMenuItemCount(hmenu);
+    ok (count != -1, "GetMenuItemCount returned -1\n");
 
     for (i = 0; i < count; i++)
     {