diff --git a/charts/grafaml/tests/validations_test.yaml b/charts/grafaml/tests/validations_test.yaml
index 11c352a..d82e4e9 100644
--- a/charts/grafaml/tests/validations_test.yaml
+++ b/charts/grafaml/tests/validations_test.yaml
@@ -35,7 +35,7 @@ tests:
           errorMessage: "uid must be between 8 and 40 characters"
   - it: "Should fail to render if uid has more than 40 characters"
     set:
-      uid: "uid"
+      uid: "this-is-a-very-long-uid-with-more-than-40-characters"
     asserts:
       - failedTemplate:
           errorMessage: "uid must be between 8 and 40 characters"