diff --git a/awx/main/models/jobs.py b/awx/main/models/jobs.py
index b9464385ac..ac67bf8d67 100644
--- a/awx/main/models/jobs.py
+++ b/awx/main/models/jobs.py
@@ -684,7 +684,7 @@ class Job(UnifiedJob, JobOptions):
         data.update(dict(inventory=self.inventory.name if self.inventory else None,
                          project=self.project.name if self.project else None,
                          playbook=self.playbook,
-                         credential=self.credential.name,
+                         credential=self.credential.name if self.credential else None,
                          limit=self.limit,
                          extra_vars=self.extra_vars,
                          hosts=all_hosts))