diff --git a/Makefile b/Makefile
index 99809c4..7aa712d 100644
--- a/Makefile
+++ b/Makefile
@@ -51,6 +51,7 @@ clean:
 install: all
 	$(INSTALL) -d $(DESTDIR)$(PREFIX)/bin
 	$(INSTALL) -d $(DESTDIR)$(SYSCONFDIR)/pam.d
+	$(INSTALL) -d $(DESTDIR)$(MANDIR)/man1
 	$(INSTALL) -m 755 i3lock $(DESTDIR)$(PREFIX)/bin/i3lock
 	$(INSTALL) -m 644 i3lock.pam $(DESTDIR)$(SYSCONFDIR)/pam.d/i3lock
 	gzip -kf i3lock.1