diff --git a/source/java/org/alfresco/repo/jscript/ApplicationScriptUtils.java b/source/java/org/alfresco/repo/jscript/ApplicationScriptUtils.java
index 9ac39d14fa..c1bdac1606 100644
--- a/source/java/org/alfresco/repo/jscript/ApplicationScriptUtils.java
+++ b/source/java/org/alfresco/repo/jscript/ApplicationScriptUtils.java
@@ -255,6 +255,10 @@ public final class ApplicationScriptUtils extends BaseScopableProcessorExtension
                         }
                     }
                 }
+                else
+                {
+                    json.put(key, null);
+                }
             }
             catch (NamespaceException ne)
             {