diff --git a/lib/OpenLayers/Format/WPSDescribeProcess.js b/lib/OpenLayers/Format/WPSDescribeProcess.js
index 885b0ee7b1..2a3157363d 100644
--- a/lib/OpenLayers/Format/WPSDescribeProcess.js
+++ b/lib/OpenLayers/Format/WPSDescribeProcess.js
@@ -5,6 +5,7 @@
  
 /**
  * @requires OpenLayers/Format/XML.js
+ * @requires OpenLayers/Format/OWSCommon/v1_1_0.js
  */
 
 /**