4 files changed, 4 insertions, 4 deletions
diff --git a/engines/gob/sound/sound.cpp b/engines/gob/sound/sound.cpp
index 403bd632a1..69a668e5fb 100644
--- a/engines/gob/sound/sound.cpp
+++ b/engines/gob/sound/sound.cpp
@@ -458,7 +458,7 @@ void Sound::blasterStop(int16 fadeLength, SoundDesc *sndDesc) {
 	_blaster->stopSound(fadeLength, sndDesc);
 }
 
-void Sound::blasterPlayComposition(int16 *composition, int16 freqVal,
+void Sound::blasterPlayComposition(const int16 *composition, int16 freqVal,
 		SoundDesc *sndDescs, int8 sndCount) {
 	if (!_blaster)
 		return;
diff --git a/engines/gob/sound/sound.h b/engines/gob/sound/sound.h
index 6ad0ec5483..7beffb5dc7 100644
--- a/engines/gob/sound/sound.h
+++ b/engines/gob/sound/sound.h
@@ -60,7 +60,7 @@ public:
 			int16 frequency, int16 fadeLength = 0);
 	void blasterStop(int16 fadeLength, SoundDesc *sndDesc = 0);
 
-	void blasterPlayComposition(int16 *composition, int16 freqVal,
+	void blasterPlayComposition(const int16 *composition, int16 freqVal,
 			SoundDesc *sndDescs = 0, int8 sndCount = kSoundsCount);
 	void blasterStopComposition();
 	void blasterRepeatComposition(int32 repCount);
diff --git a/engines/gob/sound/soundblaster.cpp b/engines/gob/sound/soundblaster.cpp
index 19c2346448..f267eee32d 100644
--- a/engines/gob/sound/soundblaster.cpp
+++ b/engines/gob/sound/soundblaster.cpp
@@ -88,7 +88,7 @@ void SoundBlaster::nextCompositionPos() {
 	_compositionPos = -1;
 }
 
-void SoundBlaster::playComposition(int16 *composition, int16 freqVal,
+void SoundBlaster::playComposition(const int16 *composition, int16 freqVal,
 		SoundDesc *sndDescs, int8 sndCount) {
 
 	_compositionSamples = sndDescs;
diff --git a/engines/gob/sound/soundblaster.h b/engines/gob/sound/soundblaster.h
index c740ba2269..3c4968d611 100644
--- a/engines/gob/sound/soundblaster.h
+++ b/engines/gob/sound/soundblaster.h
@@ -41,7 +41,7 @@ public:
 			int16 frequency, int16 fadeLength = 0);
 	void stopSound(int16 fadeLength, SoundDesc *sndDesc = 0);
 
-	void playComposition(int16 *composition, int16 freqVal,
+	void playComposition(const int16 *composition, int16 freqVal,
 			SoundDesc *sndDescs = 0, int8 sndCount = 60);
 	void stopComposition();
 	void endComposition();