diff --git a/src/libsm64.c b/src/libsm64.c
index 87cd9ad..734f05d 100644
--- a/src/libsm64.c
+++ b/src/libsm64.c
@@ -666,3 +666,8 @@ SM64_LIB_FN void sm64_play_sound_global(int32_t soundBits)
 {
     play_sound(soundBits,gGlobalSoundSource);
 }
+
+SM64_LIB_FN void sm64_set_sound_volume(float vol)
+{
+    gAudioVolume = vol;
+}
diff --git a/src/libsm64.h b/src/libsm64.h
index d6770a6..01ac9ad 100644
--- a/src/libsm64.h
+++ b/src/libsm64.h
@@ -184,5 +184,6 @@ extern SM64_LIB_FN void sm64_fadeout_background_music(uint16_t arg0, uint16_t fa
 extern SM64_LIB_FN uint16_t sm64_get_current_background_music();
 extern SM64_LIB_FN void sm64_play_sound(int32_t soundBits, float *pos);
 extern SM64_LIB_FN void sm64_play_sound_global(int32_t soundBits);
+extern SM64_LIB_FN void sm64_set_sound_volume(float vol);
 
 #endif//LIB_SM64_H