diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c
index 7ead521..05163ce 100644
--- a/drivers/scsi/eata.c
+++ b/drivers/scsi/eata.c
@@ -1623,9 +1623,9 @@
 	if (SCpnt->sense_buffer)
 		cpp->sense_addr =
 		    H2DEV(pci_map_single(ha->pdev, SCpnt->sense_buffer,
-			   sizeof SCpnt->sense_buffer, PCI_DMA_FROMDEVICE));
+			   SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE));
 
-	cpp->sense_len = sizeof SCpnt->sense_buffer;
+	cpp->sense_len = SCSI_SENSE_BUFFERSIZE;
 
 	count = scsi_dma_map(SCpnt);
 	BUG_ON(count < 0);