diff -Naur libdvdnav.orig/src/vm/vm.c libdvdnav/src/vm/vm.c
--- libdvdnav.orig/src/vm/vm.c	2009-03-13 18:28:22.000000000 -0700
+++ libdvdnav/src/vm/vm.c	2009-06-02 13:50:06.000000000 -0700
@@ -354,8 +354,6 @@
       fprintf(MSG_OUT, "libdvdnav: vm: failed to open/read the DVD\n");
       return 0;
     }
-    dvd_read_name(vm->dvd_name, vm->dvd_serial, dvdroot);
-    vm->map  = remap_loadmap(vm->dvd_name);
     vm->vmgi = ifoOpenVMGI(vm->dvd);
     if(!vm->vmgi) {
       fprintf(MSG_OUT, "libdvdnav: vm: failed to read VIDEO_TS.IFO\n");
@@ -386,6 +384,8 @@
       /* return 0; Not really used for now.. */
     }
     /* ifoRead_TXTDT_MGI(vmgi); Not implemented yet */
+    dvd_read_name(vm->dvd_name, vm->dvd_serial, dvdroot);
+    vm->map  = remap_loadmap(vm->dvd_name);
   }
   if (vm->vmgi) {
     int i, mask;