diff --git a/etc/elogind/system-sleep/lock.sh b/etc/elogind/system-sleep/lock.sh
new file mode 100755
index 0000000..6c20e49
--- /dev/null
+++ b/etc/elogind/system-sleep/lock.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+case $1/$2 in
+  pre/*)
+    # Put here any commands expected to be run when suspending or hibernating.
+    qdbus6 --system org.freedesktop.DisplayManager /org/freedesktop/DisplayManager/Seat0 org.freedesktop.DisplayManager.Seat.SwitchToGreeter
+    ;;
+  post/*)
+    # Put here any commands expected to be run when resuming from suspension or thawing from hibernation.
+    ;;
+esac