diff --git a/services/web/app/coffee/infrastructure/Server.coffee b/services/web/app/coffee/infrastructure/Server.coffee
index 64d92202a3..cb4709087f 100644
--- a/services/web/app/coffee/infrastructure/Server.coffee
+++ b/services/web/app/coffee/infrastructure/Server.coffee
@@ -64,7 +64,7 @@ app.configure () ->
 
 	# Measure expiry from last request, not last login
 	app.use (req, res, next) ->
-		req.session.expires = Date.now() + cookieSessionLength
+		req.session.touch()
 		next()
 	
 	app.use (req, res, next) ->