diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/forward/packet/Forwarded.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/forward/packet/Forwarded.java
index 81e0d4594..c4a579791 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/forward/packet/Forwarded.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/forward/packet/Forwarded.java
@@ -70,7 +70,7 @@ public class Forwarded implements ExtensionElement {
         XmlStringBuilder xml = new XmlStringBuilder(this);
         xml.rightAngleBracket();
         xml.optElement(getDelayInformation());
-        xml.append(forwardedPacket.toXML(null));
+        xml.append(forwardedPacket.toXML(NAMESPACE));
         xml.closeElement(this);
         return xml;
     }