src/jdk.jpackage/macosx/classes/jdk/jpackage/internal/MacAppStoreBundler.java

*** 321,326 ****
--- 321,332 ----
      public boolean supported(boolean runtimeInstaller) {
          // return (!runtimeInstaller &&
          //         Platform.getPlatform() == Platform.MAC);
          return false; // mac-app-store not yet supported
      }
+ 
+     @Override
+     public boolean isDefault() {
+         return false;
+     }
+ 
  }