diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c
index 0451121..f0da0c8 100644
--- a/drivers/scsi/atari_scsi.c
+++ b/drivers/scsi/atari_scsi.c
@@ -89,6 +89,7 @@
 #define REAL_DMA
 #define SUPPORT_TAGS
 #define MAX_TAGS                        32
+#define DMA_MIN_SIZE                    32
 
 #define NCR5380_implementation_fields   /* none */