diff --git a/netbox/dcim/models/cables.py b/netbox/dcim/models/cables.py
index d364d0bab..16cd1ec55 100644
--- a/netbox/dcim/models/cables.py
+++ b/netbox/dcim/models/cables.py
@@ -520,7 +520,8 @@ class CablePath(models.Model):
 
             # All mid-span terminations must all be attached to the same device
             if not isinstance(terminations[0], PathEndpoint):
-                assert all(t.parent == terminations[0].parent for t in terminations[1:])
+                assert all(isinstance(t, type(terminations[0])) for t in terminations[1:])
+                assert all(t.parent_object == terminations[0].parent_object for t in terminations[1:])
 
             # Check for a split path (e.g. rear port fanning out to multiple front ports with
             # different cables attached)