src/jdk.jpackage/linux/classes/jdk/jpackage/internal/LinuxDebBundler.java

*** 352,367 ****
              Log.verbose(ex);
          }
  
      }
  
!     private String getArch() {
!         String arch = System.getProperty("os.arch");
!         if ("i386".equals(arch))
              return "i386";
!         else
              return "amd64";
      }
  
      private long getInstalledSizeKB(Map<String, ? super Object> params) {
          return getInstalledSizeKB(APP_IMAGE_ROOT.fetchFrom(params)) >> 10;
      }
--- 352,368 ----
              Log.verbose(ex);
          }
  
      }
  
!     private static String getArch() {
!         String arch = System.getProperty("os.arch"); // JVM arch
!         if ("x86".equals(arch))
              return "i386";
!         if ("x86_64".equals(arch))
              return "amd64";
+         return arch;
      }
  
      private long getInstalledSizeKB(Map<String, ? super Object> params) {
          return getInstalledSizeKB(APP_IMAGE_ROOT.fetchFrom(params)) >> 10;
      }