--- a/dom/audiochannel/AudioChannelService.cpp
+++ b/dom/audiochannel/AudioChannelService.cpp
@@ -1391,23 +1391,22 @@ void
 AudioChannelService::AudioChannelWindow::AudioAudibleChanged(AudioChannelAgent* aAgent,
                                                              AudibleState aAudible,
                                                              AudibleChangedReasons aReason)
 {
   MOZ_ASSERT(aAgent);
 
   if (aAudible == AudibleState::eAudible) {
     AppendAudibleAgentIfNotContained(aAgent, aReason);
+    NotifyAudioCompetingChanged(aAgent);
   } else {
     RemoveAudibleAgentIfContained(aAgent, aReason);
   }
 
-  if (aAudible == AudibleState::eAudible) {
-    NotifyAudioCompetingChanged(aAgent);
-  } else if (aAudible != AudibleState::eNotAudible) {
+  if (aAudible != AudibleState::eNotAudible) {
     MaybeNotifyMediaBlockStart(aAgent);
   }
 }
 
 void
 AudioChannelService::AudioChannelWindow::AppendAudibleAgentIfNotContained(AudioChannelAgent* aAgent,
                                                                           AudibleChangedReasons aReason)
 {