diff --git a/flask_security/core.py b/flask_security/core.py
index b1c0cae..eec3092 100644
--- a/flask_security/core.py
+++ b/flask_security/core.py
@@ -305,6 +305,7 @@ class RoleMixin(object):
 class UserMixin(BaseUserMixin):
     """Mixin for `User` model definitions"""
 
+    @property
     def is_active(self):
         """Returns `True` if the user is active."""
         return self.active
diff --git a/flask_security/forms.py b/flask_security/forms.py
index 62bbfda..8303343 100644
--- a/flask_security/forms.py
+++ b/flask_security/forms.py
@@ -195,7 +195,7 @@ class PasswordlessLoginForm(Form, UserEmailFormMixin):
     def validate(self):
         if not super(PasswordlessLoginForm, self).validate():
             return False
-        if not self.user.is_active():
+        if not self.user.is_active:
             self.email.errors.append(get_message('DISABLED_ACCOUNT')[0])
             return False
         return True
@@ -241,7 +241,7 @@ class LoginForm(Form, NextFormMixin):
         if requires_confirmation(self.user):
             self.email.errors.append(get_message('CONFIRMATION_REQUIRED')[0])
             return False
-        if not self.user.is_active():
+        if not self.user.is_active:
             self.email.errors.append(get_message('DISABLED_ACCOUNT')[0])
             return False
         return True