diff --git a/app/main/views/send.py b/app/main/views/send.py
index dcf707e8a..2bbc7947d 100644
--- a/app/main/views/send.py
+++ b/app/main/views/send.py
@@ -175,6 +175,11 @@ def send_messages(service_id, template_id):
             ).format(
                 form.file.data.filename
             ))
+    elif form.errors:
+        # just show the first error, as we don't expect the form to have more
+        # than one, since it only has one field
+        first_field_errors = list(form.errors.values())[0]
+        flash(first_field_errors[0])
 
     column_headings = get_spreadsheet_column_headings_from_template(template)
 
diff --git a/app/main/views/uploads.py b/app/main/views/uploads.py
index 87949e92f..f8f7fc955 100644
--- a/app/main/views/uploads.py
+++ b/app/main/views/uploads.py
@@ -417,6 +417,11 @@ def upload_contact_list(service_id):
             ).format(
                 form.file.data.filename
             ))
+    elif form.errors:
+        # just show the first error, as we don't expect the form to have more
+        # than one, since it only has one field
+        first_field_errors = list(form.errors.values())[0]
+        flash(first_field_errors[0])
 
     return render_template(
         'views/uploads/contact-list/upload.html',
diff --git a/app/templates/views/send.html b/app/templates/views/send.html
index fa39b13f4..91a38674b 100644
--- a/app/templates/views/send.html
+++ b/app/templates/views/send.html
@@ -22,7 +22,8 @@
     {{file_upload(
       form.file,
       allowed_file_extensions=allowed_file_extensions,
-      button_text='Choose a file'
+      button_text='Choose a file',
+      show_errors=False
     )}}
   </div>
 
diff --git a/app/templates/views/uploads/contact-list/upload.html b/app/templates/views/uploads/contact-list/upload.html
index 4cf7064f2..ad145fa3a 100644
--- a/app/templates/views/uploads/contact-list/upload.html
+++ b/app/templates/views/uploads/contact-list/upload.html
@@ -41,6 +41,7 @@
     form.file,
     allowed_file_extensions=allowed_file_extensions,
     button_text='Choose file',
+    show_errors=False,
   )}}
 </div>
 
diff --git a/tests/app/main/views/uploads/test_upload_contact_list.py b/tests/app/main/views/uploads/test_upload_contact_list.py
index a105ff7bf..9d79f6fa5 100644
--- a/tests/app/main/views/uploads/test_upload_contact_list.py
+++ b/tests/app/main/views/uploads/test_upload_contact_list.py
@@ -279,7 +279,6 @@ def test_upload_csv_file_shows_error_banner_for_too_many_rows(
 def test_upload_csv_shows_error_with_invalid_extension(
     client_request,
 ):
-
     page = client_request.post(
         'main.upload_contact_list',
         service_id=SERVICE_ONE_ID,
@@ -287,7 +286,7 @@ def test_upload_csv_shows_error_with_invalid_extension(
         _follow_redirects=True,
     )
 
-    assert normalize_spaces(page.select_one('.file-upload-label .error-message').text) == (
+    assert normalize_spaces(page.select_one('.banner-dangerous').text) == (
         "invalid.txt is not a spreadsheet that Notify can read"
     )