diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..cc6fa9a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,3 @@
+install:
+	cp -f uml.py $(DESTDIR)$(PREFIX)/bin/uml
+	chmod +x $(DESTDIR)$(PREFIX)/bin/uml
diff --git a/uml.py b/uml.py
index 092b258..244d545 100644
--- a/uml.py
+++ b/uml.py
@@ -1,3 +1,5 @@
+#!/usr/bin/python3
+
 from fileinput import input as finput
 import re