diff --git a/engines/kyra/sound_towns_darkmoon.cpp b/engines/kyra/sound_towns_darkmoon.cpp
index b1fcb57e30a..76dca6c7bc8 100644
--- a/engines/kyra/sound_towns_darkmoon.cpp
+++ b/engines/kyra/sound_towns_darkmoon.cpp
@@ -62,6 +62,8 @@ bool SoundTowns_Darkmoon::init() {
 	_intf->callback(8, 0x47, 127);
 	_intf->callback(67, 1, 127, 127);
 
+	_intf->setSoundEffectChanMask(-1);
+
 	_lastSfxChan = 0x46;
 	_lastEnvChan = 0x40;