diff --git a/crates/nu-command/tests/format_conversions/nuon.rs b/crates/nu-command/tests/format_conversions/nuon.rs
index 43c63511ff..5e5e6f840e 100644
--- a/crates/nu-command/tests/format_conversions/nuon.rs
+++ b/crates/nu-command/tests/format_conversions/nuon.rs
@@ -285,7 +285,7 @@ fn from_nuon_datetime() {
     assert_eq!(actual.out, "date");
 }
 
-#[allow(dead_code)]
+#[test]
 fn to_nuon_errs_on_closure() {
     let actual = nu!(
         cwd: "tests/fixtures/formats", pipeline(
@@ -295,7 +295,7 @@ fn to_nuon_errs_on_closure() {
         "#
     ));
 
-    assert!(actual.err.contains("not nuon-compatible"));
+    assert!(actual.err.contains("can't convert closure to NUON"));
 }
 
 #[test]