diff --git a/server/site_tests/audio_AudioAfterSuspend/control.external_mic b/server/site_tests/audio_AudioAfterSuspend/control.external_mic
index 66872c7..c54a7f1 100644
--- a/server/site_tests/audio_AudioAfterSuspend/control.external_mic
+++ b/server/site_tests/audio_AudioAfterSuspend/control.external_mic
@@ -36,7 +36,7 @@
                  golden_data=(audio_test_data.SIMPLE_FREQUENCY_TEST_FILE, 2000),
                  bind_from=chameleon_audio_ids.ChameleonIds.LINEOUT,
                  bind_to=chameleon_audio_ids.CrosIds.EXTERNAL_MIC,
-                 audio_nodes=(['HEADPHONE'], ['MIC']),
+                 audio_nodes=(None, ['MIC']),
                  plug_status=plug_status, tag = "external_mic")
 
 parallel_simple(run, machines)
diff --git a/server/site_tests/audio_AudioAfterSuspend/control.external_mic.unplug b/server/site_tests/audio_AudioAfterSuspend/control.external_mic.unplug
index d86ebf2..84c1e29 100644
--- a/server/site_tests/audio_AudioAfterSuspend/control.external_mic.unplug
+++ b/server/site_tests/audio_AudioAfterSuspend/control.external_mic.unplug
@@ -39,7 +39,7 @@
                  golden_data=(audio_test_data.SIMPLE_FREQUENCY_TEST_FILE, 2000),
                  bind_from=chameleon_audio_ids.ChameleonIds.LINEOUT,
                  bind_to=chameleon_audio_ids.CrosIds.EXTERNAL_MIC,
-                 audio_nodes=(['HEADPHONE'], ['MIC']),
+                 audio_nodes=(None, ['MIC']),
                  plug_status=plug_status, tag = "external_mic.unplug")
 
 parallel_simple(run, machines)
diff --git a/server/site_tests/audio_AudioAfterSuspend/control.headphone b/server/site_tests/audio_AudioAfterSuspend/control.headphone
index e81721a..f4f710d 100644
--- a/server/site_tests/audio_AudioAfterSuspend/control.headphone
+++ b/server/site_tests/audio_AudioAfterSuspend/control.headphone
@@ -36,7 +36,7 @@
                  golden_data=(audio_test_data.FREQUENCY_TEST_FILE, 4000),
                  bind_from=chameleon_audio_ids.CrosIds.HEADPHONE,
                  bind_to=chameleon_audio_ids.ChameleonIds.LINEIN,
-                 audio_nodes=(['HEADPHONE'],[ 'MIC']),
+                 audio_nodes=(['HEADPHONE'], None),
                  plug_status=plug_status, tag = "headphone")
 
 parallel_simple(run, machines)
diff --git a/server/site_tests/audio_AudioAfterSuspend/control.headphone.unplug b/server/site_tests/audio_AudioAfterSuspend/control.headphone.unplug
index 254c778..0856fd3 100644
--- a/server/site_tests/audio_AudioAfterSuspend/control.headphone.unplug
+++ b/server/site_tests/audio_AudioAfterSuspend/control.headphone.unplug
@@ -39,7 +39,7 @@
                  golden_data=(audio_test_data.FREQUENCY_TEST_FILE, 4000),
                  bind_from=chameleon_audio_ids.CrosIds.HEADPHONE,
                  bind_to=chameleon_audio_ids.ChameleonIds.LINEIN,
-                 audio_nodes=(['HEADPHONE'],[ 'MIC']),
+                 audio_nodes=(['HEADPHONE'], None),
                  plug_status=plug_status, tag = "headphone.unplug")
 
 parallel_simple(run, machines)