diff --git a/kamailio/default.cfg b/kamailio/default.cfg
index c6783f2..f735832 100644
--- a/kamailio/default.cfg
+++ b/kamailio/default.cfg
@@ -602,7 +602,7 @@ route[INTERNAL_TO_EXTERNAL_RELAY]
     if ($hdr(X-KAZOO-AOR) != $null) {
         xlog("L_INFO", "$ci|log|using AOR $hdr(X-KAZOO-AOR)\n");
         if ($hdr(X-KAZOO-INVITE-FORMAT) == "contact") {
-            if(lookup($hdr(X-KAZOO-AOR)) > 0){
+            if(lookup("location") > 0){
                 xlog("L_INFO", "$ci|end|routing to contact $ru\n");
             } else {
                 xlog("L_INFO", "$ci|end|lookup for AOR $hdr(X-KAZOO-AOR) failed\n");