diff --git a/lib/systemd/system-sleep/gemian-lock b/lib/systemd/system-sleep/gemian-lock
new file mode 100755
index 0000000..e033b68
--- /dev/null
+++ b/lib/systemd/system-sleep/gemian-lock
@@ -0,0 +1,5 @@
+#!/bin/bash
+if [ "${1}" == "pre" ]; then
+    USER=`loginctl list-sessions | grep seat0 | awk '{print $3}'`
+    /bin/su - ${USER:-gemini} -c "DISPLAY=:0 gemian-lock"
+fi