diff --git a/content/bookmarks.js b/content/bookmarks.js
index 8d470c78..b69f047b 100644
--- a/content/bookmarks.js
+++ b/content/bookmarks.js
@@ -549,9 +549,9 @@ function History() //{{{
     const historyService = Components.classes["@mozilla.org/browser/nav-history-service;1"]
                                      .getService(Components.interfaces.nsINavHistoryService);
 
-    const History = new Struct("url", "title", "icon");
-    History.defaultValue("title", function () "[No Title]");
-    History.defaultValue("icon", function () bookmarks.getFavicon(this.url));
+    // const History = new Struct("url", "title", "icon");
+    // History.defaultValue("title", function () "[No Title]");
+    // History.defaultValue("icon", function () bookmarks.getFavicon(this.url));
 
     var placesHistory;
     var cachedHistory = []; // add pages here after loading the initial Places history
@@ -575,7 +575,7 @@ function History() //{{{
             var node = rootNode.getChild(i);
             // liberator.dump("History child " + node.itemId + ": " + node.title + " - " + node.type);
             if (node.type == node.RESULT_TYPE_URI) // just make sure it's a bookmark
-                placesHistory.push(History(node.uri, node.title))
+                placesHistory.push({ url: node.uri, title: node.title, get icon() function() bookmarks.getFavicon(this.url) });
         }
 
         // close a container after using it!
@@ -766,7 +766,7 @@ function History() //{{{
             if (placesHistory.some(function (h) h[0] == url))
                 placesHistory = placesHistory.filter(filter);
 
-            cachedHistory.unshift(History(url, title));
+            cachedHistory.unshift({ url: url, title: title, get icon() function() bookmarks.getFavicon(this.url) });
             return true;
         },
 
diff --git a/content/util.js b/content/util.js
index cb245e03..3517fa4d 100644
--- a/content/util.js
+++ b/content/util.js
@@ -485,6 +485,9 @@ const util = { //{{{
     }
 }; //}}}
 
+// Struct is really slow, AT LEAST 5 times slower than using structs or simple Objects
+// main reason is the function ConStructor(), which i couldn't get faster.
+// Maybe it's a TraceMonkey problem, for now don't use it for anything which must be fast (like bookmarks or history)
 function Struct()
 {
     let self = this instanceof Struct ? this : new Struct();
@@ -503,11 +506,13 @@ function Struct()
     function ConStructor()
     {
         let self = this instanceof arguments.callee ? this : new arguments.callee();
-        for (let [k, v] in Iterator(Array.slice(arguments)))
+        //for (let [k, v] in Iterator(Array.slice(arguments))) // That is makes using struct twice as slow as the following code:
+        for (let i = 0; i < arguments.length; i++)
         {
-            if (v != undefined)
-                self[k] = v;
+            if (arguments[i] != undefined)
+                self[i] = arguments[i];
         }
+
         return self;
     }
     ConStructor.prototype = self;