diff --git a/index.js b/index.js
index 5bfb3ff..f171e7e 100644
--- a/index.js
+++ b/index.js
@@ -249,10 +249,9 @@ Logger.prototype = {
         this.params['SERVER_PROTOCOL'] = String(req.protocol).toUpperCase();
         this.params['REQUEST_METHOD'] = req.method || '';
         this.params['SERVER_PORT'] = req.app.settings ? req.app.settings.port : '';
-        this.params['QUERY_STRING'] = req.query;
+        this.params['QUERY_STRING'] = req._parsedUrl ? (req._parsedUrl.query || '-') : '-';
         this.params['REQUEST_URI'] = req.originalUrl;
         this.params['REQUEST_PATHNAME'] = req._parsedUrl ? req._parsedUrl.pathname : '-';
-        this.params['REQUEST_QUERY'] = req._parsedUrl ? req._parsedUrl.query : '-';
         this.params['HOSTNAME'] = req.hostname;
         this.params['HTTP_HOST'] = req.headers.host;
         this.params['HTTP_VERSION'] = req.httpVersionMajor + '.' + req.httpVersionMinor;