diff --git a/erpnext/accounts/party.py b/erpnext/accounts/party.py
index 16e73ea..371474e 100644
--- a/erpnext/accounts/party.py
+++ b/erpnext/accounts/party.py
@@ -31,7 +31,12 @@
 from erpnext.exceptions import InvalidAccountCurrency, PartyDisabled, PartyFrozen
 from erpnext.utilities.regional import temporary_flag
 
-PURCHASE_TRANSACTION_TYPES = {"Purchase Order", "Purchase Receipt", "Purchase Invoice"}
+PURCHASE_TRANSACTION_TYPES = {
+	"Supplier Quotation",
+	"Purchase Order",
+	"Purchase Receipt",
+	"Purchase Invoice",
+}
 SALES_TRANSACTION_TYPES = {
 	"Quotation",
 	"Sales Order",