diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8beb1f4a..2c5f4ad2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,6 +80,6 @@ add_test(NAME 001_highsnr_virtual3_P_P_MM
                         PATH=$PATH:${CODEC2_BUILD_DIR}/src;
                         cd ${CMAKE_CURRENT_SOURCE_DIR}/test/001_highsnr_stdio_audio;
                         ./test_virtual_mm.sh")
-       set_tests_properties(001_highsnr_virtual3_P_P_MM PROPERTIES PASS_REGULAR_EXPRESSION "RECEIVED BURSTS: 5 RECEIVED FRAMES: 10 RX_ERRORS: 0")
+       set_tests_properties(001_highsnr_virtual3_P_P_MM PROPERTIES PASS_REGULAR_EXPRESSION "DATAC0: 2/4 DATAC1: 2/4 DATAC3: 2/4")
 endif()
        
diff --git a/test/001_highsnr_stdio_audio/test_virtual_mm.sh b/test/001_highsnr_stdio_audio/test_virtual_mm.sh
index 186c334e..5460ba2a 100755
--- a/test/001_highsnr_stdio_audio/test_virtual_mm.sh
+++ b/test/001_highsnr_stdio_audio/test_virtual_mm.sh
@@ -11,19 +11,22 @@ function check_alsa_loopback {
     fi  
 }
 
+myInterruptHandler()
+{
+    exit 1
+}
+
 check_alsa_loopback
 
 RX_LOG=$(mktemp)
 
+trap myInterruptHandler SIGINT
+
 # make sure all child processes are killed when we exit
 trap 'jobs -p | xargs -r kill' EXIT
 
-python3 test_multimode_rx.py --timeout 30 --framesperburst 2 --bursts 1 --audiodev -2 --debug &
+python3 test_multimode_rx.py --timeout 60 --framesperburst 2 --bursts 2 --audiodev -2 &
 rx_pid=$!
 sleep 1
-python3 test_multimode_tx.py --framesperburst 2 --bursts 1 --audiodev -2
-
-#tail -f ${RX_LOG} | sed '/RECEIVED BURSTS/ q'
-
-
+python3 test_multimode_tx.py --framesperburst 2 --bursts 2 --audiodev -2 --delay 500
 wait ${rx_pid}