diff --git a/netbox/utilities/counters.py b/netbox/utilities/counters.py
index ee6865ca2..6b5adffad 100644
--- a/netbox/utilities/counters.py
+++ b/netbox/utilities/counters.py
@@ -27,7 +27,7 @@ def update_counter(model, pk, counter_name, value):
 # Signal handlers
 #
 
-def post_save_receiver(sender, instance, **kwargs):
+def post_save_receiver(sender, instance, created, **kwargs):
     """
     Update counter fields on related objects when a TrackingModelMixin subclass is created or modified.
     """
@@ -40,7 +40,8 @@ def post_save_receiver(sender, instance, **kwargs):
         if old_pk is not None:
             update_counter(parent_model, old_pk, counter_name, -1)
         if new_pk is not None:
-            update_counter(parent_model, new_pk, counter_name, 1)
+            if old_pk or created:
+                update_counter(parent_model, new_pk, counter_name, 1)
 
 
 def post_delete_receiver(sender, instance, **kwargs):