--- old/src/jdk.incubator.jpackage/share/native/applauncher/JvmLauncher.cpp	2020-08-24 18:09:15.631523600 -0400
+++ new/src/jdk.incubator.jpackage/share/native/applauncher/JvmLauncher.cpp	2020-08-24 18:09:14.515492600 -0400
@@ -89,6 +89,11 @@
         }
     } while (0);
 
+    do {
+        addArgument(_T("-Djpackage.app-path=")
+                + SysInfo::getProcessModulePath());
+    } while (0);
+
     // No validation of data in config file related to how Java app should be
     // launched intentionally.
     // Just read what is in config file and put on jvm's command line as is.