diff --git a/zsnes/src/makefile.ms b/zsnes/src/makefile.ms
index b7bbb27c..1db97a19 100644
--- a/zsnes/src/makefile.ms
+++ b/zsnes/src/makefile.ms
@@ -437,6 +437,7 @@ clean:
 	${DELETECOMMAND} ${EFFECTSDIR}${SLASH}*${OE} ${TRUTH}
 	${DELETECOMMAND} ${GUIDIR}${SLASH}*${OE} ${TRUTH}
 	${DELETECOMMAND} ${JMADIR}${SLASH}*${OE} ${TRUTH}
+	${DELETECOMMAND} ${MMLIBDIR}${SLASH}*${OE} ${TRUTH}
 	${DELETECOMMAND} ${NETDIR}${SLASH}*${OE} ${TRUTH}
 	${DELETECOMMAND} ${VIDEODIR}${SLASH}*${OE} ${TRUTH}
 	${DELETECOMMAND} ${WINDIR}${SLASH}*${OE} ${TRUTH}