diff --git a/frappe/sessions.py b/frappe/sessions.py
index 3babf1db12..bb54418a17 100644
--- a/frappe/sessions.py
+++ b/frappe/sessions.py
@@ -159,6 +159,8 @@ def get():
 	bootinfo["setup_complete"] = cint(frappe.db.get_single_value('System Settings', 'setup_complete'))
 	bootinfo["is_first_startup"] = cint(frappe.db.get_single_value('System Settings', 'is_first_startup'))
 
+	bootinfo['desk_theme'] = frappe.db.get_value("User", frappe.session.user, "desk_theme") or 'Light'
+
 	return bootinfo
 
 def get_csrf_token():