diff --git a/app/main/views/send.py b/app/main/views/send.py
index dd9d22231..1e01370e0 100644
--- a/app/main/views/send.py
+++ b/app/main/views/send.py
@@ -555,6 +555,7 @@ def _check_messages(service_id, template_id, upload_id, preview_row, letters_as_
             notification_count=len(recipients),
             template_id=str(template_id),
             valid=True,
+            original_file_name=request.args.get('original_file_name'),
         )
     else:
         session['file_uploads'].pop(upload_id)
diff --git a/tests/app/main/views/test_send.py b/tests/app/main/views/test_send.py
index 15b2fb5e5..41e172ab2 100644
--- a/tests/app/main/views/test_send.py
+++ b/tests/app/main/views/test_send.py
@@ -590,6 +590,7 @@ def test_upload_valid_csv_shows_preview_and_table(
         service_id=SERVICE_ONE_ID,
         template_id=fake_uuid,
         upload_id=fake_uuid,
+        original_file_name='example.csv',
         **extra_args
     )
 
@@ -599,6 +600,7 @@ def test_upload_valid_csv_shows_preview_and_table(
         notification_count=3,
         template_id=fake_uuid,
         valid=True,
+        original_file_name='example.csv',
     )
 
     assert page.h1.text.strip() == 'Preview of Two week reminder'
@@ -1506,6 +1508,7 @@ def test_upload_csvfile_with_valid_phone_shows_all_numbers(
         notification_count=53,
         template_id=fake_uuid,
         valid=True,
+        original_file_name='valid.csv',
     )
 
     content = response.get_data(as_text=True)