diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index f7266a898..58fe7d6f5 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -1039,6 +1039,11 @@ module MGCP_Test {
 
 		f_sleep(1.0);
 
+		/* Disable sending so we don't accidentally receive RTP
+		 * packets on disabled ports during teardown */
+		f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY);
+		f_rtpem_mode(RTPEM[1], RTPEM_MODE_RXONLY);
+
 		f_flow_delete(RTPEM[1]);
 		f_flow_delete(RTPEM[0], ep, call_id);