diff --git a/papermerge/rootfs/etc/cont-init.d/00-folders.sh b/papermerge/rootfs/etc/cont-init.d/00-folders.sh
index 53a2d8605..fb0956277 100644
--- a/papermerge/rootfs/etc/cont-init.d/00-folders.sh
+++ b/papermerge/rootfs/etc/cont-init.d/00-folders.sh
@@ -1,4 +1,5 @@
-#!/usr/bin/env bashio
+#!/usr/bin/with-contenv bashio
+# shellcheck shell=bash
 
 CONFIGLOCATION=$(bashio::config "CONFIG_LOCATION")