@ -218,7 +218,7 @@ function handleErrors(app, middleware) {
res.json({path: validator.escape(req.path || ''), error: err.message});
} else {
middleware.buildHeader(req, res, function() {
res.render('500', {path: validator.escape(req.path || ''), error: validator.escape(err.message)});
res.render('500', {path: validator.escape(String(req.path || '')), error: validator.escape(err.message)});
});
}