diff --git a/common/content/buffer.js b/common/content/buffer.js
index 7298c8e5..c0806589 100644
--- a/common/content/buffer.js
+++ b/common/content/buffer.js
@@ -645,7 +645,8 @@ const Buffer = Module("buffer", {
 
         prefs.withContext(function () {
             prefs.set("browser.tabs.loadInBackground", true);
-            ["mousedown", "mouseup"].forEach(function (event) {
+            ["mousedown", "mouseup", "click"].slice(0, util.haveGecko("2.0") ? 2 : 3)
+                .forEach(function (event) {
                 events.dispatch(elem, events.create(doc, event, {
                     screenX: offsetX, screenY: offsetY,
                     ctrlKey: ctrlKey, shiftKey: shiftKey, metaKey: ctrlKey
diff --git a/common/content/events.js b/common/content/events.js
index 04bb0dd1..73eca85b 100644
--- a/common/content/events.js
+++ b/common/content/events.js
@@ -364,11 +364,13 @@ const Events = Module("events", {
      * @param {Node} target The DOM node to which to dispatch the event.
      * @param {Event} event The event to dispatch.
      */
-    dispatch: function (target, event) {
-        return target.ownerDocument.defaultView
-                     .QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils)
-                     .dispatchDOMEventViaPresShell(target, event, true);
-    },
+    dispatch: Class.memoize(function ()
+        util.haveGecko("2.0")
+            ? function (target, event) // This causes a crash on Gecko<2.0, it seems.
+                    target.ownerDocument.defaultView
+                          .QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils)
+                          .dispatchDOMEventViaPresShell(target, event, true)
+            : function (target, event) target.dispatchEvent(event)),
 
     /**
      * Converts an event string into an array of pseudo-event objects.
diff --git a/common/modules/services.jsm b/common/modules/services.jsm
index 4e96d0ea..cb534236 100644
--- a/common/modules/services.jsm
+++ b/common/modules/services.jsm
@@ -52,6 +52,7 @@ const Services = Module("Services", {
         this.add("tagging",             "@mozilla.org/browser/tagging-service;1",           Ci.nsITaggingService);
         this.add("threading",           "@mozilla.org/thread-manager;1",                    Ci.nsIThreadManager);
         this.add("urifixup",            "@mozilla.org/docshell/urifixup;1",                 Ci.nsIURIFixup);
+        this.add("versionCompare",      "@mozilla.org/xpcom/version-comparator;1",          Ci.nsIVersionComparator);
         this.add("windowMediator",      "@mozilla.org/appshell/window-mediator;1",          Ci.nsIWindowMediator);
         this.add("windowWatcher",       "@mozilla.org/embedcomp/window-watcher;1",          Ci.nsIWindowWatcher);
 
diff --git a/common/modules/util.jsm b/common/modules/util.jsm
index b91114c9..be3b04ad 100644
--- a/common/modules/util.jsm
+++ b/common/modules/util.jsm
@@ -466,6 +466,14 @@ const Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference])
         return null;
     },
 
+    /**
+     * Returns true if the current Gecko runtime is of the given version
+     * or greater.
+     *
+     * @param {string} ver The required version.
+     */
+    haveGecko: function (ver) services.get("versionCompare").compare(services.get("runtime").platformVersion, ver) >= 0,
+
     /**
      * Sends a synchronous or asynchronous HTTP request to *url* and returns
      * the XMLHttpRequest object. If *callback* is specified the request is