diff --git a/lib/web/webserver.js b/lib/web/webserver.js
index 64d2f1e0..61d1332d 100644
--- a/lib/web/webserver.js
+++ b/lib/web/webserver.js
@@ -309,7 +309,9 @@ module.exports = {
         app.use(static(path.join("..", "..", "www")));
         app.use(function (err, req, res, next) {
             if (err) {
-                Logger.errlog.log(err);
+                if (err.message && err.message.match(/failed to decode param/i)) {
+                    return res.status(400).send("Malformed path: " + req.path);
+                }
                 Logger.errlog.log(err.stack);
                 res.send(500);
             } else {