Index: trunk/zoo-project/zoo-kernel/service_internal.c
===================================================================
--- trunk/zoo-project/zoo-kernel/service_internal.c	(revision 446)
+++ trunk/zoo-project/zoo-kernel/service_internal.c	(revision 449)
@@ -1354,5 +1354,10 @@
 	  if(tmp0!=NULL && strncmp(tmp0->value,"true",4)==0)
 	    printIOType(doc,nc,ns,ns_ows,ns_xlink,scursor,mcursor,"Output");
-      }
+      }else
+	/**
+	 * In case there was no definition found in the ZCFG file but 
+	 * present in the service code
+	 */
+	printIOType(doc,nc,ns,ns_ows,ns_xlink,scursor,mcursor,"Output");
       mcursor=mcursor->next;
     }