diff --git a/packages/design-core/public/mock/bundle.json b/packages/design-core/public/mock/bundle.json
index 5dcbac9122..c38d7c4083 100644
--- a/packages/design-core/public/mock/bundle.json
+++ b/packages/design-core/public/mock/bundle.json
@@ -1805,7 +1805,9 @@
                             },
                             "widget": {
                               "component": "MetaCodeEditor",
-                              "props": {}
+                              "props": {
+                                "dataType": "JSFunction"
+                              }
                             }
                           },
                           {