diff --git a/roles/lmn_kde/files/pwroff b/roles/lmn_kde/files/pwroff
index a9e6e6b..56b9d22 100755
--- a/roles/lmn_kde/files/pwroff
+++ b/roles/lmn_kde/files/pwroff
@@ -9,8 +9,8 @@ uptime=$(cat /proc/uptime | cut -f1 -d.)
 maxidle=3600
 
 u=($(loginctl list-users --no-legend  | sort -hr | head -1))
-una=${u[1]}
-uid=${u[0]}
+una=${u[1]:-''}
+uid=${u[0]:-''}
 
 talk2dbus() {
     local display=":$(ls /tmp/.X11-unix/* | sed 's#/tmp/.X11-unix/X##' | head -n 1)"