diff --git a/frappe/utils/oauth.py b/frappe/utils/oauth.py
index e1f1b4bb2a..6f62d72dc5 100644
--- a/frappe/utils/oauth.py
+++ b/frappe/utils/oauth.py
@@ -204,8 +204,8 @@ def login_oauth_user(
 			http_status_code=403,
 		)
 
-	frappe.local.login_manager.user = user
-	frappe.local.login_manager.post_login()
+	frappe.local.login_manager.login_as(user)
+	frappe.local.login_manager.run_trigger("on_session_creation")
 
 	# because of a GET request!
 	frappe.db.commit()