diff --git a/awx/api/views.py b/awx/api/views.py
index 4ad0a9cc58..16a0bbb719 100644
--- a/awx/api/views.py
+++ b/awx/api/views.py
@@ -958,6 +958,7 @@ class ProjectList(ListCreateAPIView):
             'admin_role',
             'use_role',
             'update_role',
+            'read_role',
         )
         return projects_qs
 
@@ -1487,7 +1488,7 @@ class InventoryList(ListCreateAPIView):
 
     def get_queryset(self):
         qs = Inventory.accessible_objects(self.request.user, 'read_role')
-        qs = qs.select_related('admin_role', 'read_role', 'update_role', 'use_role')
+        qs = qs.select_related('admin_role', 'read_role', 'update_role', 'use_role', 'adhoc_role')
         return qs
 
 class InventoryDetail(RetrieveUpdateDestroyAPIView):