diff --git a/lib/wsdl.js b/lib/wsdl.js
index 59a6dfd25..e9cbd228f 100644
--- a/lib/wsdl.js
+++ b/lib/wsdl.js
@@ -477,6 +477,10 @@ MessageElement.prototype.postProcess = function(definitions) {
     ns = nsName.namespace;
     var schema = definitions.schemas[definitions.xmlns[ns]];
     this.element = schema.elements[nsName.name];
+    if(!this.element) {
+      console.log(nsName.name + " is not present in wsdl and cannot be processed correctly.");
+      return;
+    }
     this.element.targetNSAlias = ns;
     this.element.targetNamespace = definitions.xmlns[ns];