diff --git a/passbook/lib/sentry.py b/passbook/lib/sentry.py
index d803ef729..8aadcd385 100644
--- a/passbook/lib/sentry.py
+++ b/passbook/lib/sentry.py
@@ -35,7 +35,7 @@ def before_send(event, hint):
         SentryIgnoredException,
     )
     if "exc_info" in hint:
-        _exc_type, exc_value, _ = hint["exc_info"]
+        _, exc_value, _ = hint["exc_info"]
         if isinstance(exc_value, ignored_classes):
             LOGGER.info("Supressing error %r", exc_value)
             return None
diff --git a/passbook/root/settings.py b/passbook/root/settings.py
index bd53ba074..4e7c2b381 100644
--- a/passbook/root/settings.py
+++ b/passbook/root/settings.py
@@ -131,7 +131,10 @@ REST_FRAMEWORK = {
         "rest_framework.filters.OrderingFilter",
         "rest_framework.filters.SearchFilter",
     ],
-    "DEFAULT_PERMISSION_CLASSES": ("passbook.api.permissions.CustomObjectPermissions"),
+    "DEFAULT_PERMISSION_CLASSES": (
+        "rest_framework.permissions.DjangoObjectPermissions",
+        "passbook.api.permissions.CustomObjectPermissions",
+    ),
     "DEFAULT_AUTHENTICATION_CLASSES": (
         "passbook.api.auth.PassbookTokenAuthentication",
         "rest_framework.authentication.SessionAuthentication",