diff --git a/src/ircbot/ircbot.service.ts b/src/ircbot/ircbot.service.ts
index fcd83d6..a66ee94 100644
--- a/src/ircbot/ircbot.service.ts
+++ b/src/ircbot/ircbot.service.ts
@@ -8,6 +8,9 @@ import { DomainrproxyService } from 'src/domainrproxy/domainrproxy.service';
 export class IrcbotService {
   private readonly socket: TLSSocket;
   private readonly client: irc.Client;
+  private readonly prefix: string =
+    process.env.NODE_ENV === 'production' ? '.' : '?';
+
   private readonly logger: Logger = new Logger(IrcbotService.name);
 
   constructor(
@@ -36,8 +39,7 @@ export class IrcbotService {
     this.client.on('message', async (message) => {
       console.log(message);
       if (message.to !== channel) return;
-      if (message.message[0] !== '.') return;
-      this.logger.verbose(`Handling ${message.message}`);
+      if (message.message[0] !== this.prefix) return;
 
       const [command, ...args] = message.message.substring(1).split(' ');