diff --git a/server/controllers/complaintController.js b/server/controllers/complaintController.js
index 281dc3c..00b5034 100644
--- a/server/controllers/complaintController.js
+++ b/server/controllers/complaintController.js
@@ -11,7 +11,7 @@ module.exports.create = [
   [
     body('fullName').notEmpty().withMessage(_faSr.required.name),
     body('national').notEmpty().withMessage(_faSr.required.national_code),
-    body('phoneNumber').notEmpty().isMobilePhone().withMessage(_faSr.required.phone_number),
+    body('phoneNumber').notEmpty().isMobilePhone('ir-IR').withMessage(_faSr.required.phone_number),
     body('email').notEmpty().isEmail().withMessage(_faSr.required.email),
     body('receptionCode').notEmpty().withMessage(_faSr.required.field),
     body('caption').notEmpty().withMessage(_faSr.required.caption),
diff --git a/server/controllers/surveyController.js b/server/controllers/surveyController.js
index b45202a..988934f 100644
--- a/server/controllers/surveyController.js
+++ b/server/controllers/surveyController.js
@@ -45,7 +45,7 @@ module.exports.createPublic = [
   [
     body('fullName').notEmpty().withMessage(_faSr.required.name),
     body('national').notEmpty().withMessage(_faSr.required.national_code),
-    body('phoneNumber').notEmpty().isMobilePhone().withMessage(_faSr.required.phone_number),
+    body('phoneNumber').notEmpty().isMobilePhone('ir-IR').withMessage(_faSr.required.phone_number),
     body('email').notEmpty().isEmail().withMessage(_faSr.required.email),
   ],
   checkValidations(validationResult),