diff --git a/xvfb.sh b/xvfb.sh
index 6b3523e107129c6dc12631d621b918f2f5e03896..62dc01e28a2dd5932faace43282cd3a2289d4ca2 100644
--- a/xvfb.sh
+++ b/xvfb.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 XVFB=/usr/bin/Xvfb
 XVFBARGS="$DISPLAY -ac -screen 0 1280x1024x24 +extension RANDR"
 PIDFILE=/var/xvfb_${DISPLAY:1}.pid