diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
index 1808005f62..f813425e6b 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
@@ -17,7 +17,7 @@ erpnext.accounts.SalesInvoiceController = erpnext.selling.SellingController.exte
 		var me = this;
 		this._super();
 
-		this.frm.ignore_doctypes_on_cancel_all = ['POS Invoice', 'Timesheet'];
+		this.frm.ignore_doctypes_on_cancel_all = ['POS Invoice', 'Timesheet', 'POS Invoice Merge Log', 'POS Closing Entry'];
 		if(!this.frm.doc.__islocal && !this.frm.doc.customer && this.frm.doc.debit_to) {
 			// show debit_to in print format
 			this.frm.set_df_property("debit_to", "print_hide", 0);