diff --git a/kamailio/default.cfg b/kamailio/default.cfg
index 01300cd..0ee9bb0 100644
--- a/kamailio/default.cfg
+++ b/kamailio/default.cfg
@@ -577,7 +577,7 @@ branch_route[MANAGE_BRANCH] {
 
 route[RELAY]
 {
-    if (is_method("INVITE|BYE|SUBSCRIBE|UPDATE")) {
+    if (is_method("INVITE|BYE|SUBSCRIBE|UPDATE|NOTIFY")) {
         if(!t_is_set("branch_route")) t_on_branch("MANAGE_BRANCH");
     }