diff --git a/flake.nix b/flake.nix
index b09bd98..3032d3f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -84,7 +84,7 @@
                         $entries
                     }
                     "systemctl" => {
-                      if ($spans | length) < 2 { null } else {
+                      if ($spans | length) < 3 { null } else {
                         let kw = $spans | last
                         ^systemctl list-units --all --no-pager --plain --full $"($kw)*"
                           | detect columns