diff --git a/erpnext/regional/report/gstr_1/gstr_1.py b/erpnext/regional/report/gstr_1/gstr_1.py
index 922619c..090616b 100644
--- a/erpnext/regional/report/gstr_1/gstr_1.py
+++ b/erpnext/regional/report/gstr_1/gstr_1.py
@@ -116,7 +116,7 @@
 		taxable_value = 0
 		for item_code, net_amount in self.invoice_items.get(invoice).items():
 				if item_code in items:
-					if self.item_tax_rate.get(invoice) and tax_rate in self.item_tax_rate.get(invoice, {}).get(item_code):
+					if self.item_tax_rate.get(invoice) and tax_rate in self.item_tax_rate.get(invoice, {}).get(item_code, []):
 						taxable_value += abs(net_amount)
 					elif not self.item_tax_rate.get(invoice):
 						taxable_value += abs(net_amount)