diff --git a/engines/gob/sound.cpp b/engines/gob/sound.cpp
index b3905107688..4e0516722b4 100644
--- a/engines/gob/sound.cpp
+++ b/engines/gob/sound.cpp
@@ -235,7 +235,7 @@ void Snd::stopSound(int16 fadeLength, SoundDesc *sndDesc) {
 	_fade = true;
 	_fadeVol = 65536;
 	_fadeSamples = (int) (fadeLength * (((double) _rate) / 10.0));
-	_fadeVolStep = MAX(1UL, 65536 / _fadeSamples);
+	_fadeVolStep = MAX((int32) 1, (int32) (65536 / _fadeSamples));
 	_curFadeSamples = 0;
 }
 
@@ -341,7 +341,7 @@ void Snd::setSample(SoundDesc &sndDesc, int16 repCount, int16 frequency,
 		_fade = true;
 		_fadeVol = 0;
 		_fadeSamples = (int) (fadeLength * (((double) _rate) / 10.0));
-		_fadeVolStep = - (int32)MAX(1UL, 65536 / _fadeSamples);
+		_fadeVolStep = - MAX((int32) 1, (int32) (65536 / _fadeSamples));
 	}
 }