diff --git a/otouto/plugins/surrogate.lua b/otouto/plugins/surrogate.lua
index 8da3ae7..79b1ed7 100644
--- a/otouto/plugins/surrogate.lua
+++ b/otouto/plugins/surrogate.lua
@@ -6,7 +6,11 @@ surrogate.triggers = {
   "^/s (@[A-Za-z0-9-_-.-._.]+) +(.+)"
 }
 
-function surrogate:action(msg)
+function surrogate:action(msg, config, matches)
+  if not is_sudo(msg, config) then
+    utilities.send_reply(self, msg, config.errors.sudo)
+	return
+  end
   utilities.send_message(self, matches[1], matches[2], true, nil, true)
   return
 end