diff --git a/src/registrar/fixtures_users.py b/src/registrar/fixtures_users.py
index 8be3e13a2..1b8eda9ab 100644
--- a/src/registrar/fixtures_users.py
+++ b/src/registrar/fixtures_users.py
@@ -295,7 +295,7 @@ class UserFixture:
                 logger.warning(f"Could not add email to whitelist for {first_name} {last_name}.")
 
         # Load additional emails
-        allowed_emails.extend(additional_emails)
+        allowed_emails.extend([AllowedEmail(email=email) for email in additional_emails])
 
         if allowed_emails:
             AllowedEmail.objects.bulk_create(allowed_emails)