diff --git a/apps/py_sems/sip/AmSipDialog.sip b/apps/py_sems/sip/AmSipDialog.sip
index 38dcbf50..a519bb7a 100644
--- a/apps/py_sems/sip/AmSipDialog.sip
+++ b/apps/py_sems/sip/AmSipDialog.sip
@@ -60,7 +60,7 @@ public:
     int cancel();
 
     int update(const string& /* content_type */,
-	       const string& /* body */
+	       const string& /* body */,
 	       const string& /* hdrs */);
 
     int reinvite(const string& /* hdrs */,