diff --git a/apps/bridge-whatsapp/src/service.ts b/apps/bridge-whatsapp/src/service.ts
index 9019eef..41450cc 100644
--- a/apps/bridge-whatsapp/src/service.ts
+++ b/apps/bridge-whatsapp/src/service.ts
@@ -343,7 +343,10 @@ export default class WhatsappService extends Service {
     attachments?: Array<{ data: string; filename: string; mime_type: string }>,
   ): Promise<void> {
     const connection = this.connections[botID]?.socket;
-    const recipient = `${phoneNumber.replace(/\D+/g, "")}@s.whatsapp.net`;
+    const digits = phoneNumber.replace(/\D+/g, "");
+    // LIDs are 15+ digits, phone numbers with country code are typically 10-14 digits
+    const suffix = digits.length > 14 ? "@lid" : "@s.whatsapp.net";
+    const recipient = `${digits}${suffix}`;
 
     // Send text message if provided
     if (message) {