diff --git a/frappe/realtime.py b/frappe/realtime.py
index 79190b8bb8..f546703e58 100644
--- a/frappe/realtime.py
+++ b/frappe/realtime.py
@@ -169,14 +169,16 @@ def get_task_log_file_path(task_id, stream_type):
 
 
 @frappe.whitelist(allow_guest=True)
-def can_subscribe_doc(doctype, docname, sid):
+def can_subscribe_doc(doctype, docname):
 	if os.environ.get('CI'):
 		return True
+
 	from frappe.sessions import Session
 	from frappe.exceptions import PermissionError
 	session = Session(None, resume=True).get_session_data()
 	if not frappe.has_permission(user=session.user, doctype=doctype, doc=docname, ptype='read'):
 		raise PermissionError()
+
 	return True
 
 @frappe.whitelist(allow_guest=True)
diff --git a/socketio.js b/socketio.js
index b3577d8a6b..136787858a 100644
--- a/socketio.js
+++ b/socketio.js
@@ -142,10 +142,10 @@ io.on('connection', function (socket) {
 
 	socket.on('doc_open', function (doctype, docname) {
 		can_subscribe_doc({
-			socket: socket,
-			sid: sid,
-			doctype: doctype,
-			docname: docname,
+			socket,
+			sid,
+			doctype,
+			docname,
 			callback: () => {
 				var room = get_open_doc_room(socket, doctype, docname);
 				socket.join(room);