diff --git a/src/osx/core/sound.cpp b/src/osx/core/sound.cpp
index f97c11eb2f..1c5ec6e2dc 100644
--- a/src/osx/core/sound.cpp
+++ b/src/osx/core/sound.cpp
@@ -94,6 +94,7 @@ void wxOSXAudioToolboxSoundData::DoStop()
     if ( m_playing )
     {
         m_playing = false;
+        AudioServicesRemoveSystemSoundCompletion(m_soundID);
         AudioServicesDisposeSystemSoundID (m_soundID);
 
         wxSound::SoundStopped(this);