--- uae/src/fsusage.c	2018/04/24 16:42:15	1.1.1.1
+++ uae/src/fsusage.c	2018/04/24 17:02:11	1.1.1.3
@@ -17,6 +17,7 @@
 
 #include "sysconfig.h"
 
+#include <stdlib.h>
 #include <sys/types.h>
 
 #ifdef HAVE_SYS_STAT_H
@@ -48,9 +49,8 @@ adjust_blocks (blocks, fromsize, tosize)
 }
 
 #ifdef _WIN32
-
+#include "sysdeps.h"
 #include <windows.h>
-
 int
 get_fs_usage (path, disk, fsp)
      const char *path;
@@ -76,7 +76,14 @@ get_fs_usage (path, disk, fsp)
 	/* lasterror = GetLastError ();*/
 	return -1;
     }
-    
+
+    /* HACK ALERT! WinNT returns 0 in TotalNumberOfClusters for an audio-CD, which calls the GURU! */
+    if( ( TotalNumberOfClusters == 0 ) && 
+        ( GetDriveType( buf2 ) == DRIVE_CDROM ) )
+    {
+        TotalNumberOfClusters = 327680;
+    }
+
     BytesPerSector *= SectorsPerCluster;
     fsp->fsu_blocks = adjust_blocks (TotalNumberOfClusters, BytesPerSector, 512);
     fsp->fsu_bavail = adjust_blocks (NumberOfFreeClusters, BytesPerSector, 512);