diff --git a/dj_rest_auth/registration/serializers.py b/dj_rest_auth/registration/serializers.py
index db095cfc..43ebf9c3 100644
--- a/dj_rest_auth/registration/serializers.py
+++ b/dj_rest_auth/registration/serializers.py
@@ -187,7 +187,7 @@ def validate(self, attrs):
                 raise serializers.ValidationError(
                     _('User is already registered with this e-mail address.'),
                 ) from ex
-            self.post_signup(login, attrs)
+        self.post_signup(login, attrs)
 
         attrs['user'] = login.account.user