diff --git a/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts b/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts
index fb9c1d46..cf45c614 100644
--- a/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts
+++ b/src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts
@@ -1840,7 +1840,7 @@ export class BaileysStartupService extends ChannelStartupService {
       throw new BadRequestException(isWA);
     }
 
-    const sender = isWA.jid;
+    const sender = isWA.jid.toLowerCase();
 
     this.logger.verbose(`Sending message to ${sender}`);
 
@@ -3290,10 +3290,10 @@ export class BaileysStartupService extends ChannelStartupService {
     }
   }
 
-  private async getGroupMetadataCache(groupJid: string) {
+  private getGroupMetadataCache = async (groupJid: string) => {
     if (!isJidGroup(groupJid)) return null;
 
-    const cacheConf = configService.get<CacheConf>('CACHE');
+    const cacheConf = this.configService.get<CacheConf>('CACHE');
 
     if ((cacheConf?.REDIS?.ENABLED && cacheConf?.REDIS?.URI !== '') || cacheConf?.LOCAL?.ENABLED) {
       if (await groupMetadataCache?.has(groupJid)) {