--- a/test/jdk/tools/jpackage/macosx/base/FileAssociationsBase.java	Fri Aug 16 18:13:04 2019 -0400
+++ b/test/jdk/tools/jpackage/macosx/base/FileAssociationsBase.java	Mon Aug 19 17:34:40 2019 -0400
@@ -113,7 +113,7 @@
         try (PrintWriter out = new PrintWriter(new BufferedWriter(
                 new FileWriter("fa.properties")))) {
             out.println("extension=" + TEST_EXT);
-            out.println("mime-type=application/" + TEST_EXT);
+            out.println("mime-type=application/x-jpackage-" + TEST_EXT);
             out.println("description=jpackage test extention");
         }
     }