diff --git a/src/Umbraco.Web.UI.Client/src/utilities.js b/src/Umbraco.Web.UI.Client/src/utilities.js
index 9121ba0e25..64884b589b 100644
--- a/src/Umbraco.Web.UI.Client/src/utilities.js
+++ b/src/Umbraco.Web.UI.Client/src/utilities.js
@@ -18,7 +18,7 @@
     /**
      * Facade to angular.copy
      */
-    const copy = val => angular.copy(val);
+    const copy = (src, dst) => angular.copy(src, dst);
 
     /**
      * Equivalent to angular.isArray