diff --git a/dnsapi/dns_df.sh b/dnsapi/dns_df.sh
index bfbf3e9a..80cec982 100644
--- a/dnsapi/dns_df.sh
+++ b/dnsapi/dns_df.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env sh
 
 ########################################################################
 # https://dyndnsdree.de hook script for acme.sh
@@ -62,4 +62,4 @@ dns_df_rm() {
   _debug fulldomain "$fulldomain"
   _debug txtvalue "$txtvalue"
 
-}
\ No newline at end of file
+}