diff --git a/engines/sci/sound/drivers/midi.cpp b/engines/sci/sound/drivers/midi.cpp
index 48fb1dd3ffc..1024e789d04 100644
--- a/engines/sci/sound/drivers/midi.cpp
+++ b/engines/sci/sound/drivers/midi.cpp
@@ -1219,6 +1219,7 @@ void MidiPlayer_Midi::close() {
 		sendMt32SysEx(0x200000, SciSpan<const byte>(_goodbyeMsg, 20), true);
 	}
 
+	_driver->setTimerCallback(NULL, NULL);
 	_driver->close();
 }