diff --git a/builtin/game/chatcommands.lua b/builtin/game/chatcommands.lua
index 136e45a9..e349eec7 100644
--- a/builtin/game/chatcommands.lua
+++ b/builtin/game/chatcommands.lua
@@ -828,7 +828,7 @@ core.register_chatcommand("shutdown", {
 		message = message or ""
 
 		if delay ~= "" then
-			delay = tonumber(param) or 0
+			delay = tonumber(delay) or 0
 		else
 			delay = 0
 			core.log("action", name .. " shuts down server")