diff --git a/tests/mgcp_client/mgcp_client_test.c b/tests/mgcp_client/mgcp_client_test.c
index 172faac..ef2fca8 100644
--- a/tests/mgcp_client/mgcp_client_test.c
+++ b/tests/mgcp_client/mgcp_client_test.c
@@ -236,7 +236,7 @@
 		.endpoint = "23@mgw",
 		.audio_port = 1234,
 		.call_id = 47,
-		.conn_id = 11,
+		.conn_id = "11",
 		.conn_mode = MGCP_CONN_RECV_SEND,
 		.presence = (MGCP_MSG_PRESENCE_ENDPOINT | MGCP_MSG_PRESENCE_CALL_ID
 			     | MGCP_MSG_PRESENCE_CONN_ID | MGCP_MSG_PRESENCE_CONN_MODE),