diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index d1ee4670666a6026fd3da4c4a8bf54d0c04d31f2..c8c8b9da3edd855919486b692e0f83d23c584b0e 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c
@@ -829,10 +829,12 @@ static int swim_floppy_init(struct swim_priv *swd)
 	/* scan floppy drives */
 
 	swim_drive(base, INTERNAL_DRIVE);
-	if (swim_readbit(base, DRIVE_PRESENT))
+	if (swim_readbit(base, DRIVE_PRESENT) &&
+	    !swim_readbit(base, ONEMEG_DRIVE))
 		swim_add_floppy(swd, INTERNAL_DRIVE);
 	swim_drive(base, EXTERNAL_DRIVE);
-	if (swim_readbit(base, DRIVE_PRESENT))
+	if (swim_readbit(base, DRIVE_PRESENT) &&
+	    !swim_readbit(base, ONEMEG_DRIVE))
 		swim_add_floppy(swd, EXTERNAL_DRIVE);
 
 	/* register floppy drives */