diff --git a/commandline/scripts/blink1-moodlight.sh b/commandline/scripts/blink1-moodlight.sh
index 8386a864..1edf969a 100755
--- a/commandline/scripts/blink1-moodlight.sh
+++ b/commandline/scripts/blink1-moodlight.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Fade to random colors
 #