diff --git a/awx/api/views/mixin.py b/awx/api/views/mixin.py
index e804fc0ff6..beb0aca007 100644
--- a/awx/api/views/mixin.py
+++ b/awx/api/views/mixin.py
@@ -4,8 +4,8 @@
 import dateutil
 import logging
 
-from django.db.models import Count, OuterRef, Subquery
-from django.db.models.functions import Coalesce
+from django.db.models import Count, OuterRef, Subquery, TextField
+from django.db.models.functions import Cast, Coalesce
 from django.db import transaction
 from django.shortcuts import get_object_or_404
 from django.utils.timezone import now
@@ -188,7 +188,7 @@ class OrganizationCountsMixin(object):
                 return Coalesce(
                     Subquery(
                         RoleUserAssignment.objects.filter(
-                            object_id=OuterRef('pk'),
+                            object_id=Cast(OuterRef('pk'), output_field=TextField()),
                             role_definition=rd,
                         )
                         .values('role_definition')
diff --git a/awx/api/views/organization.py b/awx/api/views/organization.py
index ac2c871a96..24054383f1 100644
--- a/awx/api/views/organization.py
+++ b/awx/api/views/organization.py
@@ -5,8 +5,8 @@
 import logging
 
 # Django
-from django.db.models import Count, OuterRef, Subquery
-from django.db.models.functions import Coalesce
+from django.db.models import Count, OuterRef, Subquery, TextField
+from django.db.models.functions import Cast, Coalesce
 from django.contrib.contenttypes.models import ContentType
 from django.utils.translation import gettext_lazy as _
 
@@ -88,7 +88,7 @@ class OrganizationDetail(RelatedJobsPreventDeleteMixin, RetrieveUpdateDestroyAPI
                 return Coalesce(
                     Subquery(
                         RoleUserAssignment.objects.filter(
-                            object_id=OuterRef('pk'),
+                            object_id=Cast(OuterRef('pk'), output_field=TextField()),
                             role_definition=rd,
                         )
                         .values('role_definition')