diff --git a/project/src/main/java/com/tek271/reverseProxy/servlet/ProxyFilter.java b/project/src/main/java/com/tek271/reverseProxy/servlet/ProxyFilter.java
index 1cf0334..a61d386 100644
--- a/project/src/main/java/com/tek271/reverseProxy/servlet/ProxyFilter.java
+++ b/project/src/main/java/com/tek271/reverseProxy/servlet/ProxyFilter.java
@@ -57,6 +57,10 @@ private static boolean isHttp(ServletRequest request, ServletResponse response)
   
   private static Tuple2<Mapping, String> mapUrlProxyToHidden(ServletRequest request) {
     String oldUrl = ((HttpServletRequest)request).getRequestURL().toString();
+	String queryString = ((HttpServletRequest)request).getQueryString();  
+	if (queryString != null) {
+		oldUrl += "?"+queryString;
+	}
     return UrlMapper.mapFullUrlProxyToHidden(oldUrl);
   }