diff --git a/packages/whatsapp.gblib/services/WhatsappDirectLine.ts b/packages/whatsapp.gblib/services/WhatsappDirectLine.ts
index 80d37cbc..e39b63b9 100644
--- a/packages/whatsapp.gblib/services/WhatsappDirectLine.ts
+++ b/packages/whatsapp.gblib/services/WhatsappDirectLine.ts
@@ -197,7 +197,7 @@ export class WhatsappDirectLine extends GBService {
 
               // The e-mail is sent to all bots.
 
-              const html = `<P>${msg}</P><IMG src=${url}/>`
+              const html = `<P>${msg}</P><IMG src="${url}"/>`
               await s.sendEmail(adminEmail, `Check your WhatsApp for bot ${this.botId}`, html);
 
             }).bind(this));