diff --git a/app/main/views/platform_admin.py b/app/main/views/platform_admin.py
index 63f4bc96c..c14c78117 100644
--- a/app/main/views/platform_admin.py
+++ b/app/main/views/platform_admin.py
@@ -322,7 +322,7 @@ def clear_cache():
             for pattern in CACHE_KEYS[to_delete]
         )
 
-        flash('Removed {} {} objects from redis'.format(num_deleted, to_delete))
+        flash('Removed {} {} objects from redis'.format(num_deleted, to_delete), category='default')
 
     return render_template(
         'views/platform-admin/clear-cache.html',
diff --git a/tests/app/main/views/test_platform_admin.py b/tests/app/main/views/test_platform_admin.py
index 22de66a6d..7fba52400 100644
--- a/tests/app/main/views/test_platform_admin.py
+++ b/tests/app/main/views/test_platform_admin.py
@@ -885,11 +885,11 @@ def test_clear_cache_submits_and_tells_you_how_many_things_were_deleted(client_r
         call('template-????????-????-????-????-????????????-versions'),
     ]
 
-    flash_banner = page.find('div', class_='banner-dangerous')
+    flash_banner = page.find('div', class_='banner-default')
     assert flash_banner.text.strip() == 'Removed 3 template objects from redis'
 
 
-def test_clear_cache_requires_option(client_request, platform_admin_user,mocker):
+def test_clear_cache_requires_option(client_request, platform_admin_user, mocker):
     redis = mocker.patch('app.main.views.platform_admin.redis_client')
     client_request.login(platform_admin_user)