diff --git a/src/app/components/home/workspace/parametres/parametres.component.ts b/src/app/components/home/workspace/parametres/parametres.component.ts
index ab33e1a..d21cc01 100644
--- a/src/app/components/home/workspace/parametres/parametres.component.ts
+++ b/src/app/components/home/workspace/parametres/parametres.component.ts
@@ -32,7 +32,7 @@ export class ParametresComponent implements OnInit {
 		this.paramsFG=this.fb.group({
 			num_accepted:["", [
 				Validators.required,
-				Validators.pattern('^[0-9]{9}$'),
+				Validators.pattern('^[0-9]{15}$'),
 			]],
 			num_tone:["", [
 				Validators.required,