diff --git a/elks/arch/i86/drivers/block/bios.c b/elks/arch/i86/drivers/block/bios.c
index 030114688..ca1f93981 100644
--- a/elks/arch/i86/drivers/block/bios.c
+++ b/elks/arch/i86/drivers/block/bios.c
@@ -34,9 +34,9 @@ struct drive_infot fd_types[] = {   /* AT/PS2 BIOS reported floppy formats*/
     {80, 15, 2, 512, 1},            /* 1.2M */
     {80,  9, 2, 512, 2},            /* 720k */
     {80, 18, 2, 512, 3},            /* 1.4M */
+    {80, 36, 2, 512, 4},            /* 2.88M */
     {80, 36, 2, 512, 5},            /* 2.88M */
-    {80, 36, 2, 512, 6},            /* 2.88M */
-    {77,  8, 2, 1024,7},            /* 1.232M PC/98 only */
+    {77,  8, 2, 1024,6},            /* 1.232M PC/98 only */
 };
 
 /* BIOS drive mappings */
diff --git a/elks/arch/i86/drivers/block/bioshd.c b/elks/arch/i86/drivers/block/bioshd.c
index 19068df10..8a08d8b92 100644
--- a/elks/arch/i86/drivers/block/bioshd.c
+++ b/elks/arch/i86/drivers/block/bioshd.c
@@ -195,11 +195,10 @@ static void probe_floppy(int target, struct hd_struct *hdp)
                 unsigned char media = boot[21];         /* bpb_media_byte */
                 drivep->cylinders =
                         (media == 0xFD)? 40:
-#ifdef CONFIG_IMG_FD1232
+#ifdef CONFIG_ARCH_PC98
                         (media == 0xFE)? 77:            /* FD1232 is 77 tracks */
 #endif
                                          80;
-                drivep->cylinders = (media == 0xFD)? 40: 80;
                 found_PB = 2;
 #if DEBUG_PROBE
                 printk("fd: found valid FAT CHS %d,%d,%d disk parameters on /dev/fd%d "