diff --git a/CHANGES/+created_resource_schema.bugfix b/CHANGES/+created_resource_schema.bugfix
new file mode 100644
index 00000000000..5a463a011d9
--- /dev/null
+++ b/CHANGES/+created_resource_schema.bugfix
@@ -0,0 +1 @@
+Fixed the schema definition for created resources.
diff --git a/pulpcore/app/serializers/base.py b/pulpcore/app/serializers/base.py
index fc47468e6de..f88b210b04d 100644
--- a/pulpcore/app/serializers/base.py
+++ b/pulpcore/app/serializers/base.py
@@ -20,6 +20,7 @@
     NestedHyperlinkedIdentityField,
     NestedHyperlinkedRelatedField,
 )
+from drf_spectacular.utils import extend_schema_field
 
 from pulpcore.app.models import (
     Task,
@@ -176,6 +177,7 @@ def to_representation(self, value):
 PKDomainObject = namedtuple("PKDomainObject", ["pk", "pulp_domain"])
 
 
+@extend_schema_field({"anyOf": [{"type": "null"}, {"type": "string", "format": "uri"}]})
 class RelatedResourceField(RelatedField):
     """RelatedResourceField when relating a Resource object models.
 
diff --git a/pulpcore/app/serializers/task.py b/pulpcore/app/serializers/task.py
index f8ae456e7e0..b4f28955faa 100755
--- a/pulpcore/app/serializers/task.py
+++ b/pulpcore/app/serializers/task.py
@@ -17,7 +17,7 @@
 from pulpcore.app.util import reverse
 
 
-class CreatedResourceSerializer(RelatedResourceField):
+class CreatedResourceField(RelatedResourceField):
     class Meta:
         model = models.CreatedResource
         fields = []
@@ -78,7 +78,7 @@ class TaskSerializer(ModelSerializer):
         view_name="task-groups-detail",
     )
     progress_reports = ProgressReportSerializer(many=True, read_only=True)
-    created_resources = CreatedResourceSerializer(
+    created_resources = CreatedResourceField(
         help_text=_("Resources created by this task."),
         many=True,
         read_only=True,