diff --git a/src/controllers/authentication.js b/src/controllers/authentication.js
index aa1683305c..56a0a11f20 100644
--- a/src/controllers/authentication.js
+++ b/src/controllers/authentication.js
@@ -419,7 +419,7 @@ authenticationController.logout = async function (req, res, next) {
 		req.logout();
 
 		await destroyAsync(req);
-		res.clearCookie('express.sid', {
+		res.clearCookie(nconf.get('sessionKey'), {
 			path: nconf.get('relative_path'),
 		});
 		req.uid = 0;