diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index 0b867ad7b6..a0822cea0f 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -3946,11 +3946,14 @@ class ScheduleSerializer(LaunchConfigurationBaseSerializer, SchedulePreviewSeria
         ))
         if obj.unified_job_template:
             res['unified_job_template'] = obj.unified_job_template.get_absolute_url(self.context.get('request'))
-            if obj.unified_job_template.project:
-                res['project'] = obj.unified_job_template.project.get_absolute_url(self.context.get('request'))
+            try:
+                if obj.unified_job_template.project:
+                    res['project'] = obj.unified_job_template.project.get_absolute_url(self.context.get('request'))
+            except ObjectDoesNotExist:
+                pass
         if obj.inventory:
             res['inventory'] = obj.inventory.get_absolute_url(self.context.get('request'))
-        elif obj.unified_job_template and obj.unified_job_template.inventory:
+        elif obj.unified_job_template and getattr(obj.unified_job_template, 'inventory', None):
             res['inventory'] = obj.unified_job_template.inventory.get_absolute_url(self.context.get('request'))
         return res