diff --git a/include/scsi-lowlevel.h b/include/scsi-lowlevel.h
index 7872c09..fe25fbf 100644
--- a/include/scsi-lowlevel.h
+++ b/include/scsi-lowlevel.h
@@ -79,6 +79,7 @@ EXTERN const char *scsi_sense_key_str(int key);
 #define SCSI_SENSE_ASCQ_LBA_OUT_OF_RANGE		0x2100
 #define SCSI_SENSE_ASCQ_INVALID_FIELD_IN_CDB		0x2400
 #define SCSI_SENSE_ASCQ_LOGICAL_UNIT_NOT_SUPPORTED	0x2500
+#define SCSI_SENSE_ASCQ_WRITE_PROTECTED			0x2700
 #define SCSI_SENSE_ASCQ_BUS_RESET			0x2900
 #define SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT		0x3a00
 #define SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT_TRAY_CLOSED	0x3a01
diff --git a/lib/scsi-lowlevel.c b/lib/scsi-lowlevel.c
index ec16e6d..87fc509 100644
--- a/lib/scsi-lowlevel.c
+++ b/lib/scsi-lowlevel.c
@@ -141,6 +141,8 @@ scsi_sense_ascq_str(int ascq)
 		 "INVALID_FIELD_IN_CDB"},
 		{SCSI_SENSE_ASCQ_LOGICAL_UNIT_NOT_SUPPORTED,
 		 "LOGICAL_UNIT_NOT_SUPPORTED"},
+		{SCSI_SENSE_ASCQ_WRITE_PROTECTED,
+		 "WRITE_PROTECTED"},
 		{SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT,
 		 "MEDIUM_NOT_PRESENT"},
 		{SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT_TRAY_CLOSED,