diff --git a/.gitignore b/.gitignore
index b9bcaad6..36052a32 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,4 +23,5 @@ stregsystem.log
 # nix
 .direnv
 .envrc
-result
\ No newline at end of file
+result
+/.vscode
diff --git a/stregsystem/templates/stregsystem/error_invalidquickbuy.html b/stregsystem/templates/stregsystem/error_invalidquickbuy.html
index 72e7bd75..16618fa5 100644
--- a/stregsystem/templates/stregsystem/error_invalidquickbuy.html
+++ b/stregsystem/templates/stregsystem/error_invalidquickbuy.html
@@ -2,6 +2,11 @@
 
 {% load stregsystem_extras %}
 
+{% block head %}
+{{ block.super }}
+{% include "stregsystem/gdpr.html" %}
+{% endblock %}
+
 {% block headline %}
 <div>Du forsøgte at bruge quickbuy men fejlede.</div>
 <div>This incident will be reported.</div>
diff --git a/stregsystem/tests.py b/stregsystem/tests.py
index 97de7230..106126db 100644
--- a/stregsystem/tests.py
+++ b/stregsystem/tests.py
@@ -46,7 +46,12 @@
 )
 from stregsystem.purchase_heatmap import prepare_heatmap_template_context
 from stregsystem.templatetags.stregsystem_extras import caffeine_emoji_render
-from stregsystem.utils import mobile_payment_exact_match_member, strip_emoji, PaymentToolException
+from stregsystem.utils import (
+    mobile_payment_exact_match_member,
+    strip_emoji,
+    PaymentToolException,
+    insert_gdpr_span,
+)
 from stregsystem.mail import data_sent
 
 
@@ -2283,3 +2288,23 @@ def test_welcome_mail_paid_approved(self, mock_mail_method: MagicMock):
 
         signup_request.approve()
         mock_mail_method.assert_called_once()
+
+
+class MiscUtilTests(TestCase):
+    fixtures = ['initial_data']
+
+    def test_gdpr_is_inserted(self):
+        assumed_user = "jokke"
+        assumed_non_user = "nonuser"
+
+        simple_quickbuy = assumed_user
+        simple_gdpr_quickbuy = insert_gdpr_span(simple_quickbuy)
+        expected_simple_gdpr_quickbuy = '<span class="username">' + assumed_user + '</span>'
+
+        self.assertEqual(simple_gdpr_quickbuy, expected_simple_gdpr_quickbuy)
+
+        advanced_quickbuy = assumed_user + " " + assumed_non_user
+        advanced_gdpr_quickbuy = insert_gdpr_span(advanced_quickbuy)
+        expected_advanced_gdpr_quickbuy = '<span class="username">' + assumed_user + '</span> ' + assumed_non_user
+
+        self.assertEqual(advanced_gdpr_quickbuy, expected_advanced_gdpr_quickbuy)
diff --git a/stregsystem/utils.py b/stregsystem/utils.py
index baafca0e..9c8c1c05 100644
--- a/stregsystem/utils.py
+++ b/stregsystem/utils.py
@@ -180,6 +180,21 @@ def mobilepay_launch_uri(comment: str, amount: float) -> str:
     return 'mobilepay://send?{}'.format(urllib.parse.urlencode(query))
 
 
+def insert_gdpr_span(text: str) -> str:
+    from stregsystem.models import Member
+
+    parts = text.split(' ')
+
+    for i, part in enumerate(parts):
+        try:
+            Member.objects.get(username__iexact=part)
+            parts[i] = '<span class="username">' + part + '</span>'
+        except Member.DoesNotExist:
+            continue
+
+    return " ".join(parts)
+
+
 class stregsystemTestRunner(DiscoverRunner):
     def __init__(self, *args, **kwargs):
         settings.TEST_MODE = True
diff --git a/stregsystem/views.py b/stregsystem/views.py
index ff060612..f8b8f47b 100644
--- a/stregsystem/views.py
+++ b/stregsystem/views.py
@@ -13,6 +13,8 @@
     namedtuple,
 )
 
+from django.utils.safestring import mark_safe
+
 from django.contrib.admin.views.decorators import staff_member_required
 from django.contrib.auth.decorators import permission_required
 from django.core import management
@@ -54,6 +56,7 @@
     parse_csv_and_create_mobile_payments,
     PaymentToolException,
     make_unprocessed_signups_query,
+    insert_gdpr_span,
 )
 
 from .booze import ballmer_peak
@@ -131,9 +134,12 @@ def sale(request, room_id):
     try:
         username, bought_ids = parser.parse(_pre_process(buy_string))
     except parser.QuickBuyError as err:
+        correct = mark_safe(insert_gdpr_span(err.parsed_part))
+        incorrect = mark_safe(insert_gdpr_span(err.failed_part))
+
         values = {
-            'correct': err.parsed_part,
-            'incorrect': err.failed_part,
+            'correct': correct,
+            'incorrect': incorrect,
             'error_ptr': '~' * (len(err.parsed_part)) + '^',
             'error_msg': ' ' * (len(err.parsed_part) - 4) + 'Fejl her',
             'room': room,