diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index 13c565a..7e790a7 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -212,7 +212,7 @@
 				port_number := port_number,
 				num_of_ports := omit
 			},
-			transport := "ARTP/AVP",
+			transport := "RTP/AVP",
 			fmts := fmts
 		},
 		information := omit,