diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDevicePlayback.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDevicePlayback.java
index 576a5ff..72895e3 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecLocalDevicePlayback.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDevicePlayback.java
@@ -110,7 +110,8 @@
                     new SendMessageCallback() {
                         @Override
                         public void onSendCompleted(int error) {
-                            if (error != SendMessageResult.SUCCESS) {
+                            // In consideration of occasional transmission failures.
+                            if (error == SendMessageResult.NACK) {
                                 HdmiLogger.debug(
                                         "AVR did not respond to <Give System Audio Mode Status>");
                                 mService.setSystemAudioActivated(false);