diff --git a/bin/cycle_sinks.sh b/bin/cycle_sinks.sh
index 1e0f6f6..46469e2 100755
--- a/bin/cycle_sinks.sh
+++ b/bin/cycle_sinks.sh
@@ -1,4 +1,5 @@
-#!/bin/bash
+#!/usr/bin/env nix-shell
+#! nix-shell -p pulseaudio -i bash
 
 # get the default sink
 default_sink="$(pactl info | grep -e "Default Sink:" | awk '{print $3}')"