diff --git a/scst/src/scst_lib.c b/scst/src/scst_lib.c
index fadec75e3..02504643e 100644
--- a/scst/src/scst_lib.c
+++ b/scst/src/scst_lib.c
@@ -558,8 +558,8 @@ static const struct scst_sdbops scst_scsi_op_table[] = {
 	 .get_cdb_info = get_cdb_info_fmt},
 	{.ops = 0x04, .devkey = " O              ",
 	 .info_op_name = "FORMAT MEDIUM",
-	 .info_data_direction = SCST_DATA_WRITE|SCST_STRICTLY_SERIALIZED,
-	 .info_op_flags = SCST_LONG_TIMEOUT|SCST_WRITE_MEDIUM,
+	 .info_data_direction = SCST_DATA_WRITE,
+	 .info_op_flags = SCST_LONG_TIMEOUT|SCST_WRITE_MEDIUM|SCST_STRICTLY_SERIALIZED,
 	 .info_len_off = 3, .get_cdb_info = get_cdb_info_len_2},
 	{.ops = 0x04, .devkey = "  O             ",
 	 .info_op_name = "FORMAT",