Index: tools/mkfat.py
===================================================================
--- tools/mkfat.py	(revision 95b730c2989ef950189f5439eebbd7fcc3dc2dc8)
+++ tools/mkfat.py	(revision de4a1cf760bebd7fbbda6a9557a99cde8b9aa171)
@@ -388,5 +388,8 @@
 	boot_sector.fats = fat_count
 	boot_sector.rootdir = root_size / dirent_size
-	boot_sector.sectors = (sectors if (sectors <= 65535) else 0)
+	if (sectors <= 65535):
+		boot_sector.sectors = sectors
+	else:
+		boot_sector.sectors = 0
 	boot_sector.descriptor = 0xF8
 	boot_sector.fat_sectors = fat_size / sector_size
@@ -394,5 +397,8 @@
 	boot_sector.heads = 6
 	boot_sector.hidden = 0
-	boot_sector.sectors_big = (sectors if (sectors > 65535) else 0)
+	if (sectors > 65535):
+		boot_sector.sectors_big = sectors
+	else:
+		boot_sector.sectors_big = 0
 	
 	boot_sector.drive = 0x80