diff --git a/src/server/ns_turn_server.c b/src/server/ns_turn_server.c
index f2377499..882bc54a 100644
--- a/src/server/ns_turn_server.c
+++ b/src/server/ns_turn_server.c
@@ -3095,6 +3095,13 @@ static int check_stun_auth(turn_turnserver *server,
 					}
 		}
 
+		if(can_resume) {
+			(server->userkeycb)(server->id, server->ct, usname, realm, resume_processing_after_username_check, in_buffer, ss->id, postpone_reply);
+			if(*postpone_reply) {
+				return 0;
+			}
+		}
+
 		TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR,
 				"%s: user %s credentials are incorrect\n",
 				__FUNCTION__, (char*)usname);