diff --git a/datasette/views/special.py b/datasette/views/special.py
index 6fcb6b5e..6c378995 100644
--- a/datasette/views/special.py
+++ b/datasette/views/special.py
@@ -80,7 +80,8 @@ class PermissionsDebugView(BaseView):
 
     async def get(self, request):
         await self.check_permission(request, "view-instance")
-        await self.check_permission(request, "permissions-debug")
+        if not await self.ds.permission_allowed(request.actor, "permissions-debug"):
+            return Response("Permission denied", status=403)
         return await self.render(
             ["permissions_debug.html"],
             request,
diff --git a/tests/test_permissions.py b/tests/test_permissions.py
index fcc1b5ed..241dd2e5 100644
--- a/tests/test_permissions.py
+++ b/tests/test_permissions.py
@@ -305,7 +305,9 @@ def test_permissions_debug(app_client):
     ]
     assert [
         {"action": "permissions-debug", "result": True, "used_default": False},
+        {"action": "view-instance", "result": True, "used_default": True},
         {"action": "permissions-debug", "result": False, "used_default": True},
+        {"action": "view-instance", "result": True, "used_default": True},
     ] == checks