diff --git a/erpnext/setup/install.py b/erpnext/setup/install.py
index 85eaf5f..b106cfc 100644
--- a/erpnext/setup/install.py
+++ b/erpnext/setup/install.py
@@ -33,6 +33,7 @@
 	add_app_name()
 	setup_log_settings()
 	hide_workspaces()
+	update_roles()
 	frappe.db.commit()
 
 
@@ -232,6 +233,12 @@
 		frappe.db.set_value("Workspace", ws, "public", 0)
 
 
+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_default_role_profiles():
 	for role_profile_name, roles in DEFAULT_ROLE_PROFILES.items():
 		role_profile = frappe.new_doc("Role Profile")