diff --git a/bin/markdown.awk b/bin/markdown.awk
old mode 100644
new mode 100755
index e689dd8..e120ce9
--- a/bin/markdown.awk
+++ b/bin/markdown.awk
@@ -1,3 +1,4 @@
+#!/usr/bin/awk -f
 BEGIN {
 	body = ""
 	in_code = 0