diff --git a/Makefile b/Makefile
index d0b417fb8a3ce1386d6495f36054196f6423402f..0e413ee52094caf91150f2c0d2b08747c0236ec8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,8 @@
 .PHONY: install
 
 PREFIX := /usr
+DESTDIR =
 
-git-ls:
-	ln -s $(PWD)/git-ls.scm git-ls
-
-install: git-ls
-	cp git-* $(DESTDIR)$(PREFIX)/bin/
+install:
+	install git-ls.scm $(DESTDIR)$(PREFIX)/bin/git-ls
+	install git-open.py $(DESTDIR)$(PREFIX)/bin/git-open
diff --git a/git-open b/git-open.py
similarity index 100%
rename from git-open
rename to git-open.py