diff --git a/apps/common/main/lib/controller/Themes.js b/apps/common/main/lib/controller/Themes.js
index 9d72414a0..9647aa379 100644
--- a/apps/common/main/lib/controller/Themes.js
+++ b/apps/common/main/lib/controller/Themes.js
@@ -230,7 +230,7 @@ define([
             },
 
             setAvailable: function (value) {
-                this.locked = value;
+                this.locked = !value;
             },
 
             map: function () {