diff --git a/scst/src/dev_handlers/scst_vdisk.c b/scst/src/dev_handlers/scst_vdisk.c
index 9ed2efdf6..2ad342abe 100644
--- a/scst/src/dev_handlers/scst_vdisk.c
+++ b/scst/src/dev_handlers/scst_vdisk.c
@@ -1284,8 +1284,8 @@ static void vdisk_exec_inquiry(struct scst_cmd *cmd)
 			goto out_put;
 		}
 
-		buf[2] = 4; /* Device complies to this standard - SPC-2  */
-		buf[3] = 0x12;	/* HiSup + data in format specified in SPC-2 */
+		buf[2] = 5; /* Device complies to SPC-3 */
+		buf[3] = 0x12;	/* HiSup + data in format specified in SPC */
 		buf[4] = 31;/* n - 4 = 35 - 4 = 31 for full 36 byte data */
 		buf[6] = 1; /* MultiP 1 */
 		buf[7] = 2; /* CMDQUE 1, BQue 0 => commands queuing supported */
diff --git a/usr/fileio/common.c b/usr/fileio/common.c
index fc257ea04..ca730b661 100644
--- a/usr/fileio/common.c
+++ b/usr/fileio/common.c
@@ -1030,8 +1030,8 @@ static void exec_inquiry(struct vdisk_cmd *vcmd)
 			goto out;
 		}
 
-		buf[2] = 4;	/* Device complies to this standard - SPC-2  */
-		buf[3] = 0x12;	/* HiSup + data in format specified in SPC-2 */
+		buf[2] = 5;	/* Device complies to SPC-3 */
+		buf[3] = 0x12;	/* HiSup + data in format specified in SPC */
 		buf[4] = 31;/* n - 4 = 35 - 4 = 31 for full 36 byte data */
 		buf[6] = 1; /* MultiP 1 */
 		buf[7] = 2; /* CMDQUE 1, BQue 0 => commands queuing supported */