diff --git a/lib/reporters/html.js b/lib/reporters/html.js
index 8b44e3ed50..8c41f0552f 100644
--- a/lib/reporters/html.js
+++ b/lib/reporters/html.js
@@ -177,14 +177,23 @@ function HTML(runner) {
   });
 }
 
+/**
+ * Makes a URL, preserving querystring ("search") parameters.
+ * @param {string} s
+ * @returns {string} your new URL
+ */
+var makeUrl = function makeUrl(s) {
+  var search = window.location.search;
+  return (search ? search + '&' : '?' ) + 'grep=' + encodeURIComponent(s);
+};
+
 /**
  * Provide suite URL
  *
  * @param {Object} [suite]
  */
-
 HTML.prototype.suiteURL = function(suite){
-  return '?grep=' + encodeURIComponent(suite.fullTitle());
+  return makeUrl(suite.fullTitle());
 };
 
 /**
@@ -194,7 +203,7 @@ HTML.prototype.suiteURL = function(suite){
  */
 
 HTML.prototype.testURL = function(test){
-  return '?grep=' + encodeURIComponent(test.fullTitle());
+  return makeUrl(test.fullTitle());
 };
 
 /**