diff --git a/packages/maker/wix/src/Config.ts b/packages/maker/wix/src/Config.ts
index 893d8576b8..7185711f14 100644
--- a/packages/maker/wix/src/Config.ts
+++ b/packages/maker/wix/src/Config.ts
@@ -7,6 +7,10 @@ export interface MakerWixConfig {
    * your app by Squirrel.
    */
   appUserModelId?: string;
+  /**
+   * A comma separated string of extensions with each to be associated the app icon.
+   */
+  associateExtensions?: string;
   /**
    * The app's description
    */