diff --git a/erpnext/patches/v12_0/move_credit_limit_to_customer_credit_limit.py b/erpnext/patches/v12_0/move_credit_limit_to_customer_credit_limit.py
index 3cfabe4..344dd82 100644
--- a/erpnext/patches/v12_0/move_credit_limit_to_customer_credit_limit.py
+++ b/erpnext/patches/v12_0/move_credit_limit_to_customer_credit_limit.py
@@ -18,8 +18,8 @@
 	''' maps data from old field to the new field in the child table '''
 
 	credit_limit_data = frappe.db.sql(''' SELECT
-		name, credit_limit,
-		bypass_credit_limit_check_at_sales_order
+			name, credit_limit,
+			bypass_credit_limit_check_at_sales_order
 		FROM `tabCustomer`''', as_dict=1)
 
 	companies = frappe.get_all("Company", 'name')
diff --git a/erpnext/selling/doctype/customer/customer.py b/erpnext/selling/doctype/customer/customer.py
index 3e9a824..940aa34 100644
--- a/erpnext/selling/doctype/customer/customer.py
+++ b/erpnext/selling/doctype/customer/customer.py
@@ -335,12 +335,13 @@
 				c.name = %s
 				AND c.name = ccl.parent
 				AND ccl.company = %s
-		""", (customer, company), as_dict=1)
+		""", (customer, company))
 
-		credit_limit = credit_record.credit_limit
+		if credit_record:
+			customer_group, credit_limit = credit_record[0]
 
-		if not credit_limit:
-			credit_limit = frappe.get_cached_value("Customer Group", credit_record.customer_group, "credit_limit")
+		if not credit_limit and customer_group:
+			credit_limit = frappe.get_cached_value("Customer Group", customer_group, "credit_limit")
 
 	if not credit_limit:
 		credit_limit = frappe.get_cached_value('Company',  company,  "credit_limit")