diff --git a/src/Umbraco.Core/PropertyEditors/PropertyEditorAttribute.cs b/src/Umbraco.Core/PropertyEditors/PropertyEditorAttribute.cs
index 41e4ccc74e..ec87af29ad 100644
--- a/src/Umbraco.Core/PropertyEditors/PropertyEditorAttribute.cs
+++ b/src/Umbraco.Core/PropertyEditors/PropertyEditorAttribute.cs
@@ -26,7 +26,7 @@ namespace Umbraco.Core.PropertyEditors
 
         public PropertyEditorAttribute(string alias, string name)
         {
-            Mandate.ParameterNotNullOrEmpty(alias, "id");
+            Mandate.ParameterNotNullOrEmpty(alias, "alias");
             Mandate.ParameterNotNullOrEmpty(name, "name");
 
             Alias = alias;
@@ -82,4 +82,4 @@ namespace Umbraco.Core.PropertyEditors
         /// </summary>
         public string Group { get; set; }
     }
-}
\ No newline at end of file
+}