diff --git a/kamailio/pusher-role.cfg b/kamailio/pusher-role.cfg
index 5bb7e85..1b57d8f 100644
--- a/kamailio/pusher-role.cfg
+++ b/kamailio/pusher-role.cfg
@@ -12,7 +12,7 @@ route[PUSHER_ROUTE]
     if ( (!is_method("INVITE")) || (!isflagset(FLAG_INTERNALLY_SOURCED)) || $hdr(X-KAZOO-PUSHER-Token-ID) == $null)
        return;
 
-    if(registered("location") && $hdr(X-KAZOO-PUSHER-Simultaneous-Push-and-Invite) == $null) {
+    if(registered("location") && $hdr(X-KAZOO-PUSHER-Invite-Format) != "push_and_invite") {
        return;
     }