diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
index 1a398ab..5f6e610 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
@@ -276,6 +276,8 @@
 		if(this.frm.updating_party_details || this.frm.doc.inter_company_invoice_reference)
 			return;
 
+		if (this.frm.doc.__onload && this.frm.doc.__onload.load_after_mapping) return;
+
 		erpnext.utils.get_party_details(this.frm, "erpnext.accounts.party.get_party_details",
 			{
 				posting_date: this.frm.doc.posting_date,
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
index af6a52a..6818955 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
@@ -280,6 +280,9 @@
 		}
 		var me = this;
 		if(this.frm.updating_party_details) return;
+
+		if (this.frm.doc.__onload && this.frm.doc.__onload.load_after_mapping) return;
+
 		erpnext.utils.get_party_details(this.frm,
 			"erpnext.accounts.party.get_party_details", {
 				posting_date: this.frm.doc.posting_date,