diff --git a/backend/src/services/ContactServices/UpdateContactService.ts b/backend/src/services/ContactServices/UpdateContactService.ts
index a4963e5..55b49df 100644
--- a/backend/src/services/ContactServices/UpdateContactService.ts
+++ b/backend/src/services/ContactServices/UpdateContactService.ts
@@ -70,7 +70,7 @@ const UpdateContactService = async ({
       where: { number }
     });
 
-    if (numberExists) {
+    if (numberExists && numberExists.id != +contactId) {
       throw new AppError("ERR_DUPLICATED_CONTACT");
     }
   }