diff --git a/kiss b/kiss
index 47bd3e3..b0fa33b 100755
--- a/kiss
+++ b/kiss
@@ -57,8 +57,9 @@ as_root() {
 
     case ${su##*/} in
         doas|sudo) "$su" -u "$user" -- env "$@" ;;
+              sls) "$su" -u "$user" -c -- env "$@" ;;
                su) "$su" -c "env $* <&3" "$user" 3<&0 </dev/tty ;;
-                *) die "Invalid KISS_SU value: $su (valid: doas, sudo, su)"
+                *) die "Invalid KISS_SU value: $su (valid: doas, sudo, sls, su)"
     esac
 }