diff --git a/src/whatsapp/services/whatsapp.service.ts b/src/whatsapp/services/whatsapp.service.ts
index f222d5b7..cd107044 100644
--- a/src/whatsapp/services/whatsapp.service.ts
+++ b/src/whatsapp/services/whatsapp.service.ts
@@ -2844,7 +2844,8 @@ export class WAStartupService {
     this.logger.verbose('Processing audio');
     let tempAudioPath: string;
     let outputAudio: string;
-
+		
+		number = number.replace(/\D/g, "");
     const hash = `${number}-${new Date().getTime()}`;
     this.logger.verbose('Hash to audio name: ' + hash);