diff --git a/autoupdate.sh b/autoupdate.sh
index 4482f7b..4bb69b3 100755
--- a/autoupdate.sh
+++ b/autoupdate.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 while :;do
 	CHANGED="$(git diff --name-only|sed -e 's/^pages\///'|perl -E 'say join ", ", map {chomp; $_} <>')"
 	git pull && \