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

*** 321,332 ****
  
          // create additional app launcher(s) and config file(s)
          List<Map<String, ? super Object>> entryPoints =
                  StandardBundlerParam.ADD_LAUNCHERS.fetchFrom(params);
          for (Map<String, ? super Object> entryPoint : entryPoints) {
!             Map<String, ? super Object> tmp = new HashMap<>(originalParams);
!             tmp.putAll(entryPoint);
  
              // add executable for add launcher
              Path addExecutable = macOSDir.resolve(getLauncherName(tmp));
              try (InputStream is = getResourceAsStream("jpackageapplauncher");) {
                  writeEntry(is, addExecutable);
--- 321,332 ----
  
          // create additional app launcher(s) and config file(s)
          List<Map<String, ? super Object>> entryPoints =
                  StandardBundlerParam.ADD_LAUNCHERS.fetchFrom(params);
          for (Map<String, ? super Object> entryPoint : entryPoints) {
!             Map<String, ? super Object> tmp = 
!                     AddLauncherArguments.merge(originalParams, entryPoint);
  
              // add executable for add launcher
              Path addExecutable = macOSDir.resolve(getLauncherName(tmp));
              try (InputStream is = getResourceAsStream("jpackageapplauncher");) {
                  writeEntry(is, addExecutable);