diff --git a/sc2/src/sc2code/libs/sound/stream.c b/sc2/src/sc2code/libs/sound/stream.c
index 6cb32e89e..db81dec71 100644
--- a/sc2/src/sc2code/libs/sound/stream.c
+++ b/sc2/src/sc2code/libs/sound/stream.c
@@ -126,6 +126,23 @@ ResumeStream (uint32 source)
 	TFBSound_SourcePlay (soundSource[source].handle);
 }
 
+void
+SeekStream (uint32 source, uint32 pos)
+{
+	TFB_SoundSample* sample = soundSource[source].sample;
+	bool looping;
+	bool scope;
+
+	if (!sample)
+		return;
+	looping = sample->decoder->looping;
+	scope = soundSource[source].sbuffer != NULL;
+
+	StopSource (source);
+	SoundDecoder_Seek (sample->decoder, pos);
+	PlayStream (sample, source, looping, scope, false);
+}
+
 BOOLEAN
 PlayingStream (uint32 source)
 {	
diff --git a/sc2/src/sc2code/libs/sound/stream.h b/sc2/src/sc2code/libs/sound/stream.h
index 21f0e4530..a60e8d549 100644
--- a/sc2/src/sc2code/libs/sound/stream.h
+++ b/sc2/src/sc2code/libs/sound/stream.h
@@ -22,6 +22,7 @@ void PlayStream (TFB_SoundSample *sample, uint32 source, bool looping,
 void StopStream (uint32 source);
 void PauseStream (uint32 source);
 void ResumeStream (uint32 source);
+void SeekStream (uint32 source, uint32 pos);
 BOOLEAN PlayingStream (uint32 source);
 int StreamDecoderTaskFunc (void *data);
 int PreDecodeClips (TFB_SoundSample *sample, TFB_SoundDecoder *decoders[], bool autofree);