diff --git a/addons/point_of_sale/tools/posbox/overwrite_after_init/etc/xdg/openbox/autostart b/addons/point_of_sale/tools/posbox/overwrite_after_init/etc/xdg/openbox/autostart
index e2b61e2f591..15908b4c5aa 100755
--- a/addons/point_of_sale/tools/posbox/overwrite_after_init/etc/xdg/openbox/autostart
+++ b/addons/point_of_sale/tools/posbox/overwrite_after_init/etc/xdg/openbox/autostart
@@ -3,4 +3,11 @@ xset s off
 xset -dpms
 
 export HOME=/tmp
-/usr/bin/firefox http://localhost:8069/point_of_sale/display &
+
+DISPLAY_URL='http://localhost:8069/point_of_sale/display'
+
+# wait until odoo is ready, otherwise you will have to plug a
+# keyboard into the posbox just to refresh firefox
+until wget -q "${DISPLAY_URL}" -O /dev/null ; do sleep 1 ; done
+
+/usr/bin/firefox "${DISPLAY_URL}" &