diff --git a/src/ejabberd_sm.erl b/src/ejabberd_sm.erl
index b42746ea8..5c1323ef8 100644
--- a/src/ejabberd_sm.erl
+++ b/src/ejabberd_sm.erl
@@ -481,7 +481,7 @@ do_route(From, To, Packet) ->
 				_ ->
 				    Err =
 					jlib:make_error_reply(
-					  Packet, ?ERR_RECIPIENT_UNAVAILABLE),
+					  Packet, ?ERR_SERVICE_UNAVAILABLE),
 				    ejabberd_router:route(To, From, Err)
 			    end;
 			_ ->