diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 22a6313..5ea666f 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -299,7 +299,7 @@
 erpnext.patches.v13_0.create_accounting_dimensions_in_pos_doctypes
 erpnext.patches.v13_0.trim_sales_invoice_custom_field_length
 erpnext.patches.v13_0.create_custom_field_for_finance_book
-erpnext.patches.v13_0.modify_invalid_gain_loss_gl_entries
+erpnext.patches.v13_0.modify_invalid_gain_loss_gl_entries #2
 erpnext.patches.v13_0.fix_additional_cost_in_mfg_stock_entry
 erpnext.patches.v13_0.set_status_in_maintenance_schedule_table
 erpnext.patches.v13_0.add_default_interview_notification_templates
\ No newline at end of file
diff --git a/erpnext/patches/v13_0/modify_invalid_gain_loss_gl_entries.py b/erpnext/patches/v13_0/modify_invalid_gain_loss_gl_entries.py
index fa8a864..c2902ce 100644
--- a/erpnext/patches/v13_0/modify_invalid_gain_loss_gl_entries.py
+++ b/erpnext/patches/v13_0/modify_invalid_gain_loss_gl_entries.py
@@ -17,7 +17,7 @@
 		where
 			ref_exchange_rate = 1
 			and docstatus = 1
-			and ifnull(exchange_gain_loss, '') != ''
+			and ifnull(exchange_gain_loss, 0) != 0
 		group by
 			parent
 	""", as_dict=1)
@@ -30,7 +30,7 @@
 		where
 			ref_exchange_rate = 1
 			and docstatus = 1
-			and ifnull(exchange_gain_loss, '') != ''
+			and ifnull(exchange_gain_loss, 0) != 0
 		group by
 			parent
 	""", as_dict=1)
@@ -38,6 +38,8 @@
 	if purchase_invoices + sales_invoices:
 		frappe.log_error(json.dumps(purchase_invoices + sales_invoices, indent=2), title="Patch Log")
 
+	acc_frozen_upto = frappe.db.get_value('Accounts Settings', None, 'acc_frozen_upto')
+	frappe.db.set_value('Accounts Settings', None, 'acc_frozen_upto', None)
 	for invoice in purchase_invoices + sales_invoices:
 		doc = frappe.get_doc(invoice.type, invoice.name)
 		doc.docstatus = 2
@@ -46,4 +48,5 @@
 			if advance.ref_exchange_rate == 1:
 				advance.db_set('exchange_gain_loss', 0, False)
 		doc.docstatus = 1
-		doc.make_gl_entries()
\ No newline at end of file
+		doc.make_gl_entries()
+	frappe.db.set_value('Accounts Settings', None, 'acc_frozen_upto', acc_frozen_upto)
\ No newline at end of file