diff --git a/js/server/modules/org/arangodb/actions.js b/js/server/modules/org/arangodb/actions.js
index 7c2700275c..e7e5379bc3 100644
--- a/js/server/modules/org/arangodb/actions.js
+++ b/js/server/modules/org/arangodb/actions.js
@@ -1957,7 +1957,7 @@ function addCookie (res, name, value, lifeTime, path, domain, secure, httpOnly)
   };
   
   if (lifeTime !== undefined && lifeTime !== null) {
-    cookie.lifeTime = parseInt(lifeTime);
+    cookie.lifeTime = parseInt(lifeTime, 10);
   }
   if (path !== undefined && path !== null) {
     cookie.path = path;