diff --git a/core/views/user_registration.py b/core/views/user_registration.py
index 8af197d..88b2fa8 100644
--- a/core/views/user_registration.py
+++ b/core/views/user_registration.py
@@ -355,7 +355,7 @@ class register_form(forms.Form):  # not a model-form, just a form-form
         users = User.objects.filter(email=email)
         if len(users) > 1:
             raise ValidationError(
-                f"Duplicate email address. Another registered user {users} is already using this email address. Email addresses must be unique as that is how we reset forgotten passwords."
+                f"Duplicate email address. Another registered user {users[0]} is already using this email address. Email addresses must be unique as that is how we reset forgotten passwords."
             )              
         if len(users) == 1:
             if users[0].username != un: