diff --git a/compiler/gen/tests/gen_list.rs b/compiler/gen/tests/gen_list.rs
index cbc73b429f..cb01dc7760 100644
--- a/compiler/gen/tests/gen_list.rs
+++ b/compiler/gen/tests/gen_list.rs
@@ -1740,6 +1740,7 @@ mod gen_list {
         assert_evals_to!("[[2]] != [[1]]", true, bool);
     }
 
+    #[test]
     #[should_panic(expected = r#"Roc failed with message: "integer addition overflowed!"#)]
     fn cleanup_because_exception() {
         assert_evals_to!(