diff --git a/kamailio/registrar-role.cfg b/kamailio/registrar-role.cfg
index 3e04b85..a87f091 100644
--- a/kamailio/registrar-role.cfg
+++ b/kamailio/registrar-role.cfg
@@ -73,8 +73,10 @@ route[HANDLE_REGISTER]
 
 route[ATTEMPT_AUTHORIZATION]
 {
+    $var(single_contact) = $(ct{s.select,0,,});
+
     $xavp(regcfg=>match_received) = $su;
-    $xavp(regcfg[0]=>match_contact) = $(ct{nameaddr.uri});
+    $xavp(regcfg[0]=>match_contact) = $(var(single_contact){nameaddr.uri});
 
     if ($sht(auth_cache=>$Au) != $null && registered("location", "$rz:$Au", 6) == 1) {
         xlog("L_INFO", "$ci|log|authenticating $fu via cached SIP creds");
@@ -179,9 +181,9 @@ route[ATTEMPT_AUTHORIZATION]
     #}
 
     if ($avp(AVP_RECV_PARAM) == $null) {
-        $var(fs_contact) = "<" + $(ct{tobody.uri}) + ";" + $var(params) + ">";
+        $var(fs_contact) = "<" + $(var(single_contact){tobody.uri}) + ";" + $var(params) + ">";
     } else {
-        $var(fs_contact) = "<sip:" + $(ct{tobody.user}) + "@" + $si + ":" + $sp + ";transport=" + $var(transport) + ";" + $var(params) + ">";
+        $var(fs_contact) = "<sip:" + $(var(single_contact){tobody.user}) + "@" + $si + ":" + $sp + ";transport=" + $var(transport) + ";" + $var(params) + ">";
     }
 
     $var(register_contants) = ' "Presence-Hosts" : "n/a", "Profile-Name" : "sipinterface_1", "Status" : "Registered", "Event-Timestamp" : "' + $TS + '", "Expires" : ' + $var(expires);