diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index a4c0b04..350c08c 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -4364,7 +4364,7 @@
 
 	METHOD_TRACE("ips_rdcap", 1);
 
-	if (scb->scsi_cmd->bufflen < 8)
+	if (scb->scsi_cmd->request_bufflen < 8)
 		return (0);
 
 	cap.lba =