diff --git a/mcbs b/mcbs
index 925e7e8..c5f8c8a 100644
--- a/mcbs
+++ b/mcbs
@@ -10,11 +10,10 @@ fembgen() {
 
 getmusic() {
 	[ ! -f NOFACE.S3M ] && wget "https://api.modarchive.org/downloads.php?moduleid=48952" -O NOFACE.S3M
-	[ ! -f ./fembgen ] && mcb ./fembgen
-	./fembgen NOFACE.S3M module modsize > music.h
+	[ ! -f fembgen ] && $MCB fembgen && ./fembgen NOFACE.S3M module modsize > music.h
 	exit
 }
 
 all() {
-	[ ! -f music.h ] && mcb getmusic
+	[ ! -f music.h ] && $MCB getmusic
 }