diff --git a/src/audio/music.hpp b/src/audio/music.hpp
index 0920f7deb..04bf80358 100644
--- a/src/audio/music.hpp
+++ b/src/audio/music.hpp
@@ -30,7 +30,7 @@ public:
     virtual bool stopMusic   ()                            = 0;
     virtual bool pauseMusic  ()                            = 0;
     virtual bool resumeMusic ()                            = 0;
-    virtual bool volumeMusic (float gain)                  = 0;
+    virtual void volumeMusic (float gain)                  = 0;
     virtual void updateFading(float percent)               = 0;
     virtual void updateFaster(float percent, float pitch)  = 0;
     virtual void update      ()                            = 0;
diff --git a/src/audio/music_ogg.cpp b/src/audio/music_ogg.cpp
index a7d094a02..dfb488e41 100644
--- a/src/audio/music_ogg.cpp
+++ b/src/audio/music_ogg.cpp
@@ -207,7 +207,7 @@ bool MusicOggStream::resumeMusic()
 }   // resumeMusic
 
 //-----------------------------------------------------------------------------
-bool MusicOggStream::volumeMusic(float gain)
+void MusicOggStream::volumeMusic(float gain)
 {
     alSourcef(m_soundSource, AL_GAIN, gain);
 } // volumeMusic
diff --git a/src/audio/music_ogg.hpp b/src/audio/music_ogg.hpp
index 07d1b0ca5..a20e85337 100644
--- a/src/audio/music_ogg.hpp
+++ b/src/audio/music_ogg.hpp
@@ -55,7 +55,7 @@ public:
     virtual bool stopMusic();
     virtual bool pauseMusic();
     virtual bool resumeMusic();
-    virtual bool volumeMusic (float gain);
+    virtual void volumeMusic (float gain);
 
 protected:
     bool empty();