--- old/src/jdk.jpackage/macosx/classes/jdk/jpackage/internal/MacDmgBundler.java	2019-09-06 15:52:53.022983100 -0400
+++ new/src/jdk.jpackage/macosx/classes/jdk/jpackage/internal/MacDmgBundler.java	2019-09-06 15:52:50.899137900 -0400
@@ -466,4 +466,10 @@
             return false;
         }
     }
+
+    @Override
+    public boolean isDefault() {
+        return true;
+    }
+
 }