diff --git a/ports/src/noux/dir_file_system.h b/ports/src/noux/dir_file_system.h
index 59eee3ca93..e548dbb5f8 100644
--- a/ports/src/noux/dir_file_system.h
+++ b/ports/src/noux/dir_file_system.h
@@ -238,7 +238,7 @@ namespace Noux {
 					        sizeof(sysio->dirent_out.entry.name));
 
 					sysio->dirent_out.entry.type = Sysio::DIRENT_TYPE_DIRECTORY;
-					sysio->dirent_out.entry.fileno = (unsigned)this;
+					sysio->dirent_out.entry.fileno = 1;
 				} else
 					sysio->dirent_out.entry.type = Sysio::DIRENT_TYPE_END;
 				return true;