diff --git a/dotfiles/scripts/_lock b/dotfiles/scripts/_lock
index 2bf54d2..7c81b7e 100755
--- a/dotfiles/scripts/_lock
+++ b/dotfiles/scripts/_lock
@@ -2,4 +2,12 @@
 
 swaylock -f
 
-env SVDIR="{{@@ user_svdir @@}}" sv up swayidle
+export SVDIR="{{@@ user_svdir @@}}"
+
+maybe() {
+    command -v $1 > /dev/null &&
+    env "$@"
+}
+
+maybe sv up swayidle
+maybe systemctl --user start sway-idle.service