diff --git a/erpnext/setup/install.py b/erpnext/setup/install.py
index 0ea769163be7..3407b4377f3d 100644
--- a/erpnext/setup/install.py
+++ b/erpnext/setup/install.py
@@ -33,6 +33,7 @@ def after_install():
 	add_standard_navbar_items()
 	add_app_name()
 	add_non_standard_user_types()
+	update_roles()
 	frappe.db.commit()
 
 
@@ -237,6 +238,12 @@ def create_custom_role(data):
 		).insert(ignore_permissions=True)
 
 
+def update_roles():
+	website_user_roles = ("Customer", "Supplier")
+	for role in website_user_roles:
+		frappe.db.set_value("Role", role, "desk_access", 0)
+
+
 def create_user_type(user_type, data):
 	if frappe.db.exists("User Type", user_type):
 		doc = frappe.get_cached_doc("User Type", user_type)