diff --git a/lib/main.js b/lib/main.js
index 268a8806..0f92ad76 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -189,6 +189,7 @@ var Cats;
     (function (Theme) {
         // Fix for the fact that workign directory is not the same directory as the HMTL file
         qx.theme.icon.Oxygen.aliases.icon = "resource/" + qx.theme.icon.Oxygen.aliases.icon;
+        qx.theme.icon.Tango.aliases.icon = qx.theme.icon.Oxygen.aliases.icon;
 
         qx.Theme.define("cats.theme.Default", {
             meta: {
diff --git a/src/cats/theme/theme.ts b/src/cats/theme/theme.ts
index 9330d765..7dfe9891 100644
--- a/src/cats/theme/theme.ts
+++ b/src/cats/theme/theme.ts
@@ -16,6 +16,7 @@ module Cats.Theme {
 
     // Fix for the fact that workign directory is not the same directory as the HMTL file
     qx.theme.icon.Oxygen.aliases.icon = "resource/" +  qx.theme.icon.Oxygen.aliases.icon;
+    qx.theme.icon.Tango.aliases.icon =  qx.theme.icon.Oxygen.aliases.icon;
 
     qx.Theme.define("cats.theme.Default",
         {