diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index 98f5a368c4..faecaaa576 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -2973,6 +2973,10 @@ class ActivityStreamSerializer(BaseSerializer):
 
     changes = serializers.SerializerMethodField()
     object_association = serializers.SerializerMethodField()
+    # Needed related fields that are not in the default summary fields
+    extra_listing = [
+        ('workflow_job_template_node', ('id', 'unified_job_template_id'))
+    ]
 
     class Meta:
         model = ActivityStream
@@ -3014,7 +3018,7 @@ class ActivityStreamSerializer(BaseSerializer):
         rel = {}
         if obj.actor is not None:
             rel['actor'] = reverse('api:user_detail', args=(obj.actor.pk,))
-        for fk, __ in SUMMARIZABLE_FK_FIELDS.items():
+        for fk, __ in SUMMARIZABLE_FK_FIELDS.items() + self.extra_listing:
             if not hasattr(obj, fk):
                 continue
             allm2m = getattr(obj, fk).all()
@@ -3036,7 +3040,7 @@ class ActivityStreamSerializer(BaseSerializer):
 
     def get_summary_fields(self, obj):
         summary_fields = OrderedDict()
-        for fk, related_fields in SUMMARIZABLE_FK_FIELDS.items():
+        for fk, related_fields in SUMMARIZABLE_FK_FIELDS.items() + self.extra_listing:
             try:
                 if not hasattr(obj, fk):
                     continue
diff --git a/awx/api/views.py b/awx/api/views.py
index f36404d710..f67de81191 100644
--- a/awx/api/views.py
+++ b/awx/api/views.py
@@ -3108,7 +3108,7 @@ class WorkflowJobTemplateActivityStreamList(WorkflowsEnforcementMixin, ActivityS
         self.check_parent_access(parent)
         qs = self.request.user.get_queryset(self.model)
         return qs.filter(Q(workflow_job_template=parent) |
-                         Q(workflow_job_template_node__workflow_job_template=parent))
+                         Q(workflow_job_template_node__workflow_job_template=parent)).distinct()
 
 
 class WorkflowJobList(WorkflowsEnforcementMixin, ListCreateAPIView):
diff --git a/awx/main/access.py b/awx/main/access.py
index 059e89e655..7bef51a20f 100644
--- a/awx/main/access.py
+++ b/awx/main/access.py
@@ -2109,7 +2109,7 @@ class ActivityStreamAccess(BaseAccess):
                                  'job_template', 'job', 'ad_hoc_command',
                                  'notification_template', 'notification', 'label', 'role', 'actor',
                                  'schedule', 'custom_inventory_script', 'unified_job_template',
-                                 'workflow_job_template', 'workflow_job')
+                                 'workflow_job_template', 'workflow_job', 'workflow_job_template_node')
         if self.user.is_superuser or self.user.is_system_auditor:
             return qs.all()
 
diff --git a/awx/main/models/__init__.py b/awx/main/models/__init__.py
index 3f7e309940..d7b65d8107 100644
--- a/awx/main/models/__init__.py
+++ b/awx/main/models/__init__.py
@@ -126,4 +126,5 @@ activity_stream_registrar.connect(Notification)
 activity_stream_registrar.connect(Label)
 activity_stream_registrar.connect(User)
 activity_stream_registrar.connect(WorkflowJobTemplate)
+activity_stream_registrar.connect(WorkflowJobTemplateNode)
 activity_stream_registrar.connect(WorkflowJob)