diff --git a/addons/sms/wizard/send_sms.py b/addons/sms/wizard/send_sms.py
index e58143209e0..f25bedb72ab 100644
--- a/addons/sms/wizard/send_sms.py
+++ b/addons/sms/wizard/send_sms.py
@@ -44,8 +44,8 @@ class SendSMS(models.TransientModel):
                 return number
             if not phonenumbers.is_possible_number(phone_nbr) or not phonenumbers.is_valid_number(phone_nbr):
                 return number
-            phone_fmt = phonenumbers.PhoneNumberFormat.INTERNATIONAL
-            return phonenumbers.format_number(phone_nbr, phone_fmt).replace(' ', '')
+            phone_fmt = phonenumbers.PhoneNumberFormat.E164
+            return phonenumbers.format_number(phone_nbr, phone_fmt)
         else:
             return number