diff --git a/Makefile b/Makefile
index d939624851d745aa0874c5a795cb49d47a529f92..21be0527f9b0b1061f7ed7a5eaef8ead2cf55bf0 100644
--- a/Makefile
+++ b/Makefile
@@ -40,7 +40,7 @@ uninstall:
 purge: uninstall
 	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(PREFIX)/bin/
 	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(PREFIX)/share/man/man1/
-	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(DOCDIR_PREFIX)
+	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(DOCDIR)
 	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(ZSHDIR)
 
 test: