--- a/src/Pure/Admin/component_zipperposition.scala	Mon May 05 17:04:14 2025 +0100
+++ b/src/Pure/Admin/component_zipperposition.scala	Tue May 06 16:52:39 2025 +0200
@@ -31,7 +31,7 @@
 
       /* platform */
 
-      val platform_name = Isabelle_Platform.self.ISABELLE_PLATFORM()
+      val platform_name = Isabelle_Platform.local.ISABELLE_PLATFORM()
       val platform_dir =
         Isabelle_System.make_directory(component_dir.path + Path.basic(platform_name))