diff --git a/erpnext/crm/utils.py b/erpnext/crm/utils.py
index 72d778e956..38bf79e5fc 100644
--- a/erpnext/crm/utils.py
+++ b/erpnext/crm/utils.py
@@ -9,12 +9,12 @@ def update_lead_phone_numbers(contact, method):
 
 			if len(contact.phone_nos) > 1:
 				# get the default phone number
-				primary_phones = [phone.phone for phone in contact.phone_nos if phone.is_primary_phone]
+				primary_phones = [phone_doc.phone for phone_doc in contact.phone_nos if phone_doc.is_primary_phone]
 				if primary_phones:
 					phone = primary_phones[0]
 
 				# get the default mobile number
-				primary_mobile_nos = [phone.phone for phone in contact.phone_nos if phone.is_primary_mobile_no]
+				primary_mobile_nos = [phone_doc.phone for phone_doc in contact.phone_nos if phone_doc.is_primary_mobile_no]
 				if primary_mobile_nos:
 					mobile_no = primary_mobile_nos[0]