diff --git a/frappe/desk/doctype/number_card/number_card.py b/frappe/desk/doctype/number_card/number_card.py
index 2c5655beda..64f517bffc 100644
--- a/frappe/desk/doctype/number_card/number_card.py
+++ b/frappe/desk/doctype/number_card/number_card.py
@@ -6,10 +6,15 @@ from __future__ import unicode_literals
 import frappe
 from frappe.model.document import Document
 from frappe.utils import cint
+from frappe.model.naming import append_number_if_name_exists
 
 class NumberCard(Document):
-	pass
+	def autoname(self):
+		if not self.name:
+			self.name = self.label
 
+		if frappe.db.exists("Number Card", self.name):
+			self.name = append_number_if_name_exists('Number Card', self.name)
 
 def get_permission_query_conditions(user=None):
 	if not user: