diff --git a/Makefile b/Makefile
index 2e5c37f..3dcf061 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,7 @@ test:
 
 install:
 	mkdir -p $(PREFIX)/bin
+	rm -f $(PREFIX)/bin/git-locks
 	install -m 0755 bin/git-locks $(PREFIX)/bin/git-locks
 
 uninstall: