diff --git a/source/java/org/alfresco/service/cmr/repository/ContentData.java b/source/java/org/alfresco/service/cmr/repository/ContentData.java
index 19ee93307e..58c9456871 100644
--- a/source/java/org/alfresco/service/cmr/repository/ContentData.java
+++ b/source/java/org/alfresco/service/cmr/repository/ContentData.java
@@ -164,6 +164,20 @@ public class ContentData implements Serializable
         return contentData.contentUrl != null;
     }
     
+    /**
+     * Copy constructor for derived class
+     * 
+     * @param original              the object to copy
+     */
+    protected ContentData(ContentData original)
+    {
+        this.contentUrl = original.contentUrl;
+        this.encoding = original.encoding;
+        this.locale = original.locale;
+        this.mimetype = original.mimetype;
+        this.size = original.size;
+    }
+    
     /**
      * Create a content data using the {@link I18NUtil#getLocale() default locale}.
      *