diff --git a/src/gui/qt/sound/soundevents.h b/src/gui/qt/sound/soundevents.h
index 066776c9..b6665b4c 100644
--- a/src/gui/qt/sound/soundevents.h
+++ b/src/gui/qt/sound/soundevents.h
@@ -16,7 +16,7 @@ private:
 	SDLPlayer *mySDLPlayer;
 	ConfigFile *myConfig;
 
-	unsigned int lastSBValue;
+	int lastSBValue;
 	unsigned int lastSBLevel;
 	bool newGameNow;