Index: libdvdread/src/dvd_reader.c
===================================================================
--- libdvdread/src/dvd_reader.c	(revision 1217)
+++ libdvdread/src/dvd_reader.c	(working copy)
@@ -35,6 +35,7 @@
 
 /* misc win32 helpers */
 #ifdef WIN32
+#include <windows.h>
 #ifndef HAVE_GETTIMEOFDAY
 /* replacement gettimeofday implementation */
 #include <sys/timeb.h>
@@ -522,17 +523,21 @@
       }
       fclose( mntfile );
     }
-#elif defined(_WIN32) || defined(__OS2__)
-#ifdef __OS2__
+#elif defined(_WIN32)
+    if( GetDriveTypeA( path_copy ) == DRIVE_CDROM ) {
+      path_copy[2] = '\0';
+      auth_drive = DVDOpenImageFile( path_copy, have_css );
+      dev_name = strdup( path_copy );
+    }
+#elif defined(__OS2__)
     /* Use DVDOpenImageFile() only if it is a drive */
     if(isalpha(path[0]) && path[1] == ':' &&
         ( !path[2] ||
           ((path[2] == '\\' || path[2] == '/') && !path[3])))
-#endif
     auth_drive = DVDOpenImageFile( path, have_css );
 #endif
 
-#if !defined(_WIN32) && !defined(__OS2__)
+#if !defined(__OS2__)
     if( !dev_name ) {
       fprintf( stderr, "libdvdread: Couldn't find device name.\n" );
     } else if( !auth_drive ) {