diff --git a/calamares-install-setup b/calamares-install-setup
index 7478280..e7a64a3 100644
--- a/calamares-install-setup
+++ b/calamares-install-setup
@@ -26,7 +26,7 @@ sleep 1
     if [ "$(pidof openbox)" ]; then
 	# setup background
 	if [ -e /usr/share/mdk/backgrounds/default.jpg ] && [ -f /usr/bin/xli ]; then
-	    /usr/bin/xli -onroot -fullscreen /usr/share/mdk/backgrounds/default.jpg &
+	    /usr/bin/xli -onroot -fillscreen /usr/share/mdk/backgrounds/default.jpg &
 	fi
 
 	/usr/bin/calamares