diff --git a/platform/firefox/vapi-background.js b/platform/firefox/vapi-background.js
index 6f26f18..dbbaeca 100644
--- a/platform/firefox/vapi-background.js
+++ b/platform/firefox/vapi-background.js
@@ -410,7 +410,7 @@ vAPI.tabs.get = function(tabId, callback) {
     }
 
     // for internal use
-    if ( tab && typeof callback !== 'function' ) {
+    if ( typeof callback !== 'function' ) {
         return tab;
     }
 
@@ -561,6 +561,16 @@ vAPI.tabs.remove = function(tabIds) {
 
 /******************************************************************************/
 
+vAPI.tabs.reload = function(tabId) {
+    var tab = this.get(tabId);
+
+    if ( tab ) {
+        tab.ownerDocument.defaultView.gBrowser.reloadTab(tab);
+    }
+};
+
+/******************************************************************************/
+
 vAPI.tabs.injectScript = function(tabId, details, callback) {
     var tab = vAPI.tabs.get(tabId);