diff --git a/scripts/open_url_in_instance.sh b/scripts/open_url_in_instance.sh
index a6ce0ed91..ec2a5a26d 100755
--- a/scripts/open_url_in_instance.sh
+++ b/scripts/open_url_in_instance.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # initial idea: Florian Bruhin (The-Compiler)
 # author: Thore Bödecker (foxxx0)