diff --git a/szutil_idlekick/init.lua b/szutil_idlekick/init.lua
index 082631b..0851679 100644
--- a/szutil_idlekick/init.lua
+++ b/szutil_idlekick/init.lua
@@ -17,6 +17,10 @@ minetest.register_privilege(modname, {
 		give_to_admin = false
 	})
 
+local function kickable(pname)
+	return (not minetest.check_player_privs(pname, modname)) == (not invert)
+end
+
 local function now() return minetest.get_us_time() / 1000000 end
 
 local times = {}
@@ -26,17 +30,21 @@ minetest.register_chatcommand(modname, {
 		description = "Check player idle time and last action",
 		privs = {server = true},
 		func = function(_, param)
-			local time = times[param]
-			if not time then
+			if not minetest.get_player_by_name(param) then
 				return true, string_format("Player %q not found", param)
 			end
-			local active = (not minetest.check_player_privs(param, modname))
-			== (not invert)
+			if not kickable(param) then
+				return true, string_format("Player %q exempt", param)
+			end
+			local time = times[param]
+			if not time then
+				return true, string_format("Player %q no data", param)
+			end
 			return true, string_format(
-				"Player %q idle %0.2f/%s last action %q",
+				"Player %q idle %0.2f/%0.2f last action %q",
 				param,
 				now() - time,
-				active and string_format("%.2f", timeout) or "never",
+				timeout,
 				actions[param] or "unknown")
 		end
 	})
@@ -85,11 +93,12 @@ local function checkplayer(player, pname)
 end
 minetest.register_globalstep(function()
 		for _, player in pairs(minetest.get_connected_players()) do
-			if (not minetest.check_player_privs(player, modname)) ~= (not invert) then return end
 			local pname = player:get_player_name()
-			checkplayer(player, pname)
-			if now() - times[pname] >= timeout then
-				minetest.kick_player(pname, reason)
+			if kickable(pname) then
+				checkplayer(player, pname)
+				if now() - times[pname] >= timeout then
+					minetest.kick_player(pname, reason)
+				end
 			end
 		end
 	end)