--- ./scripts/xflock4.orig	2017-08-06 23:05:53.807688995 +0100
+++ ./scripts/xflock4	2017-08-06 23:09:06.171789989 +0100
@@ -24,10 +24,11 @@
 PATH=/bin:/usr/bin
 export PATH

-# Lock by xscreensaver or gnome-screensaver, if a respective daemon is running
+# Lock by xscreensaver, gnome-screensaver or light-locker, if a respective daemon is running
 for lock_cmd in \
     "xscreensaver-command -lock" \
-    "gnome-screensaver-command --lock"
+    "gnome-screensaver-command --lock" \
+    "light-locker-command -l"
 do
     $lock_cmd >/dev/null 2>&1 && exit
 done