diff --git a/src/pages/User/Register.js b/src/pages/User/Register.js
index 4fb451bf..15ef53f6 100644
--- a/src/pages/User/Register.js
+++ b/src/pages/User/Register.js
@@ -267,7 +267,7 @@ class Register extends Component {
                     message: formatMessage({ id: 'validation.phone-number.required' }),
                   },
                   {
-                    pattern: /^\d{10}$/,
+                    pattern: /^\d{11}$/,
                     message: formatMessage({ id: 'validation.phone-number.wrong-format' }),
                   },
                 ],