diff --git a/Makefile b/Makefile
index 9d2b8c3..a8a25cd 100644
--- a/Makefile
+++ b/Makefile
@@ -10,18 +10,26 @@ LN=ln
 MKDIR=mkdir -p
 PYTHON=python3
 RM=rm -f -v
+MSGFMT=msgfmt
 
 all:
+	for pofiles in en ja zh_CN zh_TW; do \
+		$(MSGFMT) "po/$$pofiles.po" -o "po/$$pofiles.mo" ; \
+	done
 
 install:
 	$(MKDIR) "$(DESTDIR)$(PREFIX)/share/danmaku2ass"
 	$(INSTALL) -Dm0755 danmaku2ass.py "$(DESTDIR)$(PREFIX)/share/danmaku2ass/danmaku2ass.py"
-	$(CP) -R locale "$(DESTDIR)$(PREFIX)/share/"
+	for locale in en ja zh_CN zh_TW; do \
+		$(MKDIR) "$(DESTDIR)$(PREFIX)/share/locale/$$locale/LC_MESSAGES" ; \
+		$(CP) "po/$$locale.mo" "$(DESTDIR)$(PREFIX)/share/locale/$$locale/LC_MESSAGES/danmaku2ass.mo" ; \
+	done
 	$(MKDIR) "$(DESTDIR)$(PREFIX)/bin"
 	$(LN) -s "$(PREFIX)/share/danmaku2ass/danmaku2ass.py" "$(DESTDIR)$(PREFIX)/bin/danmaku2ass"
 
 clean:
 	$(RM) -R __pycache__
+	$(RM) po/*.mo
 
 uninstall:
 	$(RM) -R "$(DESTDIR)$(PREFIX)/bin/danmaku2ass" "$(DESTDIR)$(PREFIX)/share/danmaku2ass"