diff --git a/packages/whatsapp.gblib/services/WhatsappDirectLine.ts b/packages/whatsapp.gblib/services/WhatsappDirectLine.ts
index 43dd2bb5..9b92127d 100644
--- a/packages/whatsapp.gblib/services/WhatsappDirectLine.ts
+++ b/packages/whatsapp.gblib/services/WhatsappDirectLine.ts
@@ -87,7 +87,7 @@ export class WhatsappDirectLine extends GBService {
     this.whatsappServiceKey = whatsappServiceKey;
     this.whatsappServiceNumber = whatsappServiceNumber;
     this.whatsappServiceUrl = whatsappServiceUrl;
-    this.chatapi = whatsappServiceNumber.indexOf(':') > -1 ? true : false;
+    this.chatapi = whatsappServiceNumber.indexOf(';') > -1 ? true : false;
   }
 
   public static async asyncForEach(array, callback) {