diff --git a/sc2/ChangeLog b/sc2/ChangeLog
index fb4c04b87..cc3bf893c 100644
--- a/sc2/ChangeLog
+++ b/sc2/ChangeLog
@@ -1,4 +1,6 @@
 Changes towards version 0.7:
+- Renamed PlaySpeeh/StopSpeech to work around name collisions
+  on OSX - Alex
 - Ending the battle with a simultaneous death no longer triggers an
   assertion - SvdB
 - Concurrent supermelee ship selection - SvdB
diff --git a/sc2/src/sc2code/libs/sndlib.h b/sc2/src/sc2code/libs/sndlib.h
index 3fc1e0b77..0a6aecaf7 100644
--- a/sc2/src/sc2code/libs/sndlib.h
+++ b/sc2/src/sc2code/libs/sndlib.h
@@ -72,8 +72,8 @@ extern void PLRStop (MUSIC_REF MusicRef);
 extern BOOLEAN PLRPlaying (MUSIC_REF MusicRef);
 extern void PLRPause (MUSIC_REF MusicRef);
 extern void PLRResume (MUSIC_REF MusicRef);
-extern void PlaySpeech (MUSIC_REF SpeechRef);
-extern void StopSpeech (void);
+extern void snd_PlaySpeech (MUSIC_REF SpeechRef);
+extern void snd_StopSpeech (void);
 extern void PlayChannel (COUNT channel, void *sample, SoundPosition pos,
 		void *positional_object, unsigned char priority);
 extern BOOLEAN ChannelPlaying (COUNT Channel);
diff --git a/sc2/src/sc2code/libs/sound/music.c b/sc2/src/sc2code/libs/sound/music.c
index fc2c81e74..293814f2b 100644
--- a/sc2/src/sc2code/libs/sound/music.c
+++ b/sc2/src/sc2code/libs/sound/music.c
@@ -97,7 +97,7 @@ PLRResume (MUSIC_REF MusicRef)
 }
 
 void
-PlaySpeech (MUSIC_REF SpeechRef)
+snd_PlaySpeech (MUSIC_REF SpeechRef)
 {
 	TFB_SoundSample **pmus;
 
@@ -113,7 +113,7 @@ PlaySpeech (MUSIC_REF SpeechRef)
 }
 
 void
-StopSpeech (void)
+snd_StopSpeech (void)
 {
 	if (!curSpeechRef)
 		return;
diff --git a/sc2/src/sc2code/libs/video/video.c b/sc2/src/sc2code/libs/video/video.c
index 3785c3ba2..3228abd09 100644
--- a/sc2/src/sc2code/libs/video/video.c
+++ b/sc2/src/sc2code/libs/video/video.c
@@ -52,7 +52,7 @@ void
 VidStop ()
 {
 	if (_cur_speech)
-		StopSpeech ();
+		snd_StopSpeech ();
 	if (_cur_video)
 	{
 		TFB_StopVideo (_cur_video);
@@ -97,7 +97,7 @@ VidPlayEx (VIDEO_REF VidRef, MUSIC_REF AudRef, MUSIC_REF SpeechRef,
 	vid->loop_to = 0;
 
 	if (_cur_speech)
-		StopSpeech ();
+		snd_StopSpeech ();
 	if (_cur_video)
 		TFB_StopVideo (_cur_video);
 	_cur_speech = 0;
@@ -115,7 +115,7 @@ VidPlayEx (VIDEO_REF VidRef, MUSIC_REF AudRef, MUSIC_REF SpeechRef,
 		ret = SOFTWARE_FMV;
 		if (SpeechRef)
 		{
-			PlaySpeech (SpeechRef);
+			snd_PlaySpeech (SpeechRef);
 			_cur_speech = SpeechRef;
 		}
 	}