@@ -585,11 +585,12 @@
 		    (attributePrefix = [allNamespaces objectForKey:
 		    [attributesObjects[j] namespace]]) == nil)
 			@throw [OFUnboundNamespaceException
 			    exceptionWithClass: [self class]
 				     namespace: [attributesObjects[j]
-						    namespace]];
+						    namespace]
+				       element: self];
 
 		length += [attributeName UTF8StringLength] +
 		    (attributePrefix != nil ?
 		    [attributePrefix UTF8StringLength] + 1 : 0) +
 		    [tmp UTF8StringLength] + 4;