diff --git a/tests/ui/disallowed_names.rs b/tests/ui/disallowed_names.rs
index 9a701a2cbcf..13c883409bf 100644
--- a/tests/ui/disallowed_names.rs
+++ b/tests/ui/disallowed_names.rs
@@ -71,3 +71,8 @@ mod tests {
         }
     }
 }
+
+#[test]
+fn test_with_disallowed_name() {
+    let foo = 0;
+}