diff --git a/src/client/sound/header/local.h b/src/client/sound/header/local.h
index a8ded2a6..cde7038f 100644
--- a/src/client/sound/header/local.h
+++ b/src/client/sound/header/local.h
@@ -276,7 +276,7 @@ void SDL_Update(void);
  * playback
  */
 void SDL_RawSamples(int samples, int rate, int width,
-		int channels, byte *data, float volume);
+		int channels, const byte *data, float volume);
 
 /*
  * Spartializes a sample
@@ -348,7 +348,7 @@ void AL_Update(void);
  * Plays raw samples
  */
 void AL_RawSamples(int samples, int rate, int width,
-		int channels, byte *data, float volume);
+		int channels, const byte *data, float volume);
 
 /*
  * Unqueues any raw samples
diff --git a/src/client/sound/header/sound.h b/src/client/sound/header/sound.h
index 88b32af6..f310045c 100644
--- a/src/client/sound/header/sound.h
+++ b/src/client/sound/header/sound.h
@@ -42,7 +42,7 @@ void S_StartSound(vec3_t origin, int entnum, int entchannel,
 
 void S_StartLocalSound(char *sound);
 void S_RawSamples(int samples, int rate, int width, int channels,
-		byte *data, float volume);
+		const byte *data, float volume);
 void S_StopAllSounds(void);
 void S_Update(vec3_t origin, vec3_t forward, vec3_t right, vec3_t up);
 void S_Activate(qboolean active);
diff --git a/src/client/sound/openal.c b/src/client/sound/openal.c
index 1569a8bc..014d9390 100644
--- a/src/client/sound/openal.c
+++ b/src/client/sound/openal.c
@@ -954,7 +954,7 @@ AL_IssuePlaysounds(void)
  */
 void
 AL_RawSamples(int samples, int rate, int width, int channels,
-		byte *data, float volume)
+		const byte *data, float volume)
 {
 	ALuint buffer;
 	ALuint format = 0;
diff --git a/src/client/sound/sdl.c b/src/client/sound/sdl.c
index c6ad1f73..e5256a97 100644
--- a/src/client/sound/sdl.c
+++ b/src/client/sound/sdl.c
@@ -1000,7 +1000,7 @@ SDL_Cache(sfx_t *sfx, wavinfo_t *info, byte *data, short volume,
  * and cinematic playback.
  */
 void
-SDL_RawSamples(int samples, int rate, int width, int channels, byte *data, float volume)
+SDL_RawSamples(int samples, int rate, int width, int channels, const byte *data, float volume)
 {
 	float scale;
 	int dst;
diff --git a/src/client/sound/sound.c b/src/client/sound/sound.c
index 513c5bfa..a896fa7d 100644
--- a/src/client/sound/sound.c
+++ b/src/client/sound/sound.c
@@ -1379,7 +1379,7 @@ S_BuildSoundList(int *sounds)
  */
 void
 S_RawSamples(int samples, int rate, int width,
-		int channels, byte *data, float volume)
+		int channels, const byte *data, float volume)
 {
 	if (sound_started == SS_NOT)
 	{