diff --git a/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py
index 2f5d36c..7f350e7 100644
--- a/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/test_purchase_invoice.py
@@ -230,6 +230,23 @@
 			self.assertEqual(expected_values[gle.account][1], gle.debit)
 			self.assertEqual(expected_values[gle.account][2], gle.credit)
 
+	def test_purchase_invoice_with_exchange_rate_difference(self):
+		set_gst_settings()
+		pr = make_purchase_receipt(currency = "USD", conversion_rate = 70)
+		pi = make_purchase_invoice(currency = "USD", conversion_rate = 80, do_not_save = "True")
+
+		for item in pi.items:
+			item.purchase_receipt = pr.name
+
+		pi.insert()
+		pi.submit()		
+
+		# fetching the latest GL Entry with 'Exchange Gain/Loss - _TC' account
+		gl_entries = frappe.get_all('GL Entry', filters = {'account': 'Exchange Gain/Loss - _TC'})
+		voucher_no = frappe.get_value('GL Entry', gl_entries[0]['name'], 'voucher_no')	
+
+		self.assertEqual(pi.name, voucher_no)
+
 	def test_purchase_invoice_change_naming_series(self):
 		pi = frappe.copy_doc(test_records[1])
 		pi.insert()
@@ -1050,6 +1067,24 @@
 			'account': account
 		})
 		tds_category.save()
+def set_gst_settings():
+	gst_settings = frappe.get_doc("GST Settings")
+
+	gst_account = frappe.get_all(
+		"GST Account",
+		fields=["cgst_account", "sgst_account", "igst_account"],
+		filters = {"company": "_Test Company"}
+	)
+
+	if not gst_account:
+		gst_settings.append("gst_accounts", {
+			"company": "_Test Company",
+			"cgst_account": "CGST - _TC",
+			"sgst_account": "SGST - _TC",
+			"igst_account": "IGST - _TC",
+		})
+
+	gst_settings.save()
 
 def unlink_payment_on_cancel_of_invoice(enable=1):
 	accounts_settings = frappe.get_doc("Accounts Settings")