diff --git a/erpnext/accounts/doctype/cost_center/cost_center.js b/erpnext/accounts/doctype/cost_center/cost_center.js
index 9e2f6eed3b6..0672bf1910e 100644
--- a/erpnext/accounts/doctype/cost_center/cost_center.js
+++ b/erpnext/accounts/doctype/cost_center/cost_center.js
@@ -60,8 +60,13 @@ frappe.ui.form.on('Cost Center', {
 					"label": "Cost Center Number",
 					"fieldname": "cost_center_number",
 					"fieldtype": "Data",
-					"reqd": 1,
 					"default": frm.doc.cost_center_number
+				},
+				{
+					"label": __("Merge with existing"),
+					"fieldname": "merge",
+					"fieldtype": "Check",
+					"default": 0
 				}
 			],
 			primary_action: function() {
@@ -76,8 +81,9 @@ frappe.ui.form.on('Cost Center', {
 					args: {
 						docname: frm.doc.name,
 						cost_center_name: data.cost_center_name,
-						cost_center_number: data.cost_center_number,
-						company: frm.doc.company
+						cost_center_number: cstr(data.cost_center_number),
+						company: frm.doc.company,
+						merge: data.merge
 					},
 					callback: function(r) {
 						frappe.dom.unfreeze();
diff --git a/erpnext/accounts/doctype/cost_center/cost_center.json b/erpnext/accounts/doctype/cost_center/cost_center.json
index 5013c92a327..fa2fb51d061 100644
--- a/erpnext/accounts/doctype/cost_center/cost_center.json
+++ b/erpnext/accounts/doctype/cost_center/cost_center.json
@@ -125,7 +125,7 @@
  "idx": 1,
  "is_tree": 1,
  "links": [],
- "modified": "2020-04-29 16:09:30.025214",
+ "modified": "2020-06-12 16:09:30.025214",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Cost Center",
diff --git a/erpnext/accounts/utils.py b/erpnext/accounts/utils.py
index d1aa4011b63..e093e1d668c 100644
--- a/erpnext/accounts/utils.py
+++ b/erpnext/accounts/utils.py
@@ -817,7 +817,7 @@ def create_payment_gateway_account(gateway):
 		pass
 
 @frappe.whitelist()
-def update_cost_center(docname, cost_center_name, cost_center_number, company):
+def update_cost_center(docname, cost_center_name, cost_center_number, company, merge):
 	'''
 		Renames the document by adding the number as a prefix to the current name and updates
 		all transaction where it was present.
@@ -833,7 +833,7 @@ def update_cost_center(docname, cost_center_name, cost_center_number, company):
 
 	new_name = get_autoname_with_number(cost_center_number, cost_center_name, docname, company)
 	if docname != new_name:
-		frappe.rename_doc("Cost Center", docname, new_name, force=1)
+		frappe.rename_doc("Cost Center", docname, new_name, force=1, merge=merge)
 		return new_name
 
 def validate_field_number(doctype_name, docname, number_value, company, field_name):