diff --git a/planetstack/hpc_observer/steps/sync_cdnprefix.py b/planetstack/hpc_observer/steps/sync_cdnprefix.py
index b773df9..b887e84 100644
--- a/planetstack/hpc_observer/steps/sync_cdnprefix.py
+++ b/planetstack/hpc_observer/steps/sync_cdnprefix.py
@@ -62,4 +62,5 @@
         cp.save()
 
     def delete_record(self, m):
-        self.client.onev.Delete("CDNPrefix", m.cdn_prefix_id)
+        if m.cdn_prefix_id is not None:
+            self.client.onev.Delete("CDNPrefix", m.cdn_prefix_id)