diff --git a/engines/sci/sound/music.cpp b/engines/sci/sound/music.cpp
index eb960a0dbc9..d84360d1fe7 100644
--- a/engines/sci/sound/music.cpp
+++ b/engines/sci/sound/music.cpp
@@ -96,6 +96,8 @@ void SciMusic::init() {
 		break;
 	//case MD_MT32:
 	// TODO
+	default:
+		error("Unsupported _midiType setup %d", _midiType);
 	}
 
 	if (_pMidiDrv) {