diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 382e8897..7947b1a4 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -14,6 +14,7 @@ Fixed
 - Fix the generation of the supervisord template (#309)
 - Fix the validation of the hashed password (#310)
 - Fix infinite loop that happened when accessing / (#358)
+- Fix email validation when sending invites
 
 Added
 =====
diff --git a/ihatemoney/forms.py b/ihatemoney/forms.py
index 3966891c..de9004d5 100644
--- a/ihatemoney/forms.py
+++ b/ihatemoney/forms.py
@@ -10,6 +10,8 @@ from werkzeug.security import generate_password_hash
 from datetime import datetime
 from jinja2 import Markup
 
+import email_validator
+
 from ihatemoney.models import Project, Person
 from ihatemoney.utils import slugify
 
@@ -184,9 +186,10 @@ class InviteForm(FlaskForm):
     submit = SubmitField(_("Send invites"))
 
     def validate_emails(form, field):
-        validator = Email()
         for email in [email.strip() for email in form.emails.data.split(",")]:
-            if not validator.regex.match(email):
+            try:
+                email_validator.validate_email(email)
+            except email_validator.EmailNotValidError as e:
                 raise ValidationError(_("The email %(email)s is not valid",
                                         email=email))
 
diff --git a/requirements.txt b/requirements.txt
index c2fe5348..964d7fc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,3 +11,4 @@ raven
 blinker
 six>=1.10
 itsdangerous>=0.24
+email_validator>=1.0