diff --git a/erpnext/stock/doctype/warehouse/warehouse.py b/erpnext/stock/doctype/warehouse/warehouse.py
index c2c553457b0..b2b898eec0d 100644
--- a/erpnext/stock/doctype/warehouse/warehouse.py
+++ b/erpnext/stock/doctype/warehouse/warehouse.py
@@ -73,7 +73,8 @@ class Warehouse(NestedSet):
 		self.warn_about_multiple_warehouse_account()
 
 	def on_update(self):
-		self.update_nsm_model()
+		if self.is_new() or self.has_value_changed("parent_warehouse"):
+			self.update_nsm_model()
 
 	def update_nsm_model(self):
 		frappe.utils.nestedset.update_nsm(self)