diff --git a/bookwyrm/tests/views/test_user.py b/bookwyrm/tests/views/test_user.py
index 614f772d..f2d9b861 100644
--- a/bookwyrm/tests/views/test_user.py
+++ b/bookwyrm/tests/views/test_user.py
@@ -1,5 +1,6 @@
 """ test for app action functionality """
 from unittest.mock import patch
+from tidylib import tidy_document
 
 from django.contrib.auth.models import AnonymousUser
 from django.http.response import Http404
@@ -55,7 +56,16 @@ class UserViews(TestCase):
             is_api.return_value = False
             result = view(request, "mouse")
         self.assertIsInstance(result, TemplateResponse)
-        result.render()
+        html = result.render()
+        _, errors = tidy_document(
+            html.content,
+            options={
+                "drop-empty-elements": False,
+                "warn-proprietary-attributes": False,
+            },
+        )
+        if errors:
+            raise Exception(errors)
         self.assertEqual(result.status_code, 200)
 
         request.user = self.anonymous_user
@@ -63,7 +73,16 @@ class UserViews(TestCase):
             is_api.return_value = False
             result = view(request, "mouse")
         self.assertIsInstance(result, TemplateResponse)
-        result.render()
+        html = result.render()
+        _, errors = tidy_document(
+            html.content,
+            options={
+                "drop-empty-elements": False,
+                "warn-proprietary-attributes": False,
+            },
+        )
+        if errors:
+            raise Exception(errors)
         self.assertEqual(result.status_code, 200)
 
         with patch("bookwyrm.views.user.is_api_request") as is_api:
@@ -92,7 +111,16 @@ class UserViews(TestCase):
             is_api.return_value = False
             result = view(request, "mouse")
         self.assertIsInstance(result, TemplateResponse)
-        result.render()
+        html = result.render()
+        _, errors = tidy_document(
+            html.content,
+            options={
+                "drop-empty-elements": False,
+                "warn-proprietary-attributes": False,
+            },
+        )
+        if errors:
+            raise Exception(errors)
         self.assertEqual(result.status_code, 200)
 
         with patch("bookwyrm.views.user.is_api_request") as is_api:
@@ -123,7 +151,16 @@ class UserViews(TestCase):
             is_api.return_value = False
             result = view(request, "mouse")
         self.assertIsInstance(result, TemplateResponse)
-        result.render()
+        html = result.render()
+        _, errors = tidy_document(
+            html.content,
+            options={
+                "drop-empty-elements": False,
+                "warn-proprietary-attributes": False,
+            },
+        )
+        if errors:
+            raise Exception(errors)
         self.assertEqual(result.status_code, 200)
 
         with patch("bookwyrm.views.user.is_api_request") as is_api: