diff --git a/aria2/bootstrap.sh b/aria2/bootstrap.sh
index 3e588dd..ba291f5 100755
--- a/aria2/bootstrap.sh
+++ b/aria2/bootstrap.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 if ! [[ -z "${RPC_SECRET}" ]]; then
 	sed -i '/rpc-secret=/d' /etc/aria2/aria2.conf