diff --git a/packages/base/all/vendor-config-onl/src/bin/onlswi b/packages/base/all/vendor-config-onl/src/bin/onlswi
index e228dc40..c57d2c7b 100755
--- a/packages/base/all/vendor-config-onl/src/bin/onlswi
+++ b/packages/base/all/vendor-config-onl/src/bin/onlswi
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 ############################################################
 onlfs mount images --rw
 (cd /mnt/onl/images && rm -f *.swi && wget $1)