diff --git a/include/scsi-lowlevel.h b/include/scsi-lowlevel.h
index e5790d5..07a33a3 100644
--- a/include/scsi-lowlevel.h
+++ b/include/scsi-lowlevel.h
@@ -151,6 +151,7 @@ EXTERN const char *scsi_sense_key_str(int key);
 #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_CAPACITY_DATA_HAS_CHANGED      	0x2a09
 #define SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT		0x3a00
 #define SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT_TRAY_CLOSED	0x3a01
 #define SCSI_SENSE_ASCQ_MEDIUM_NOT_PRESENT_TRAY_OPEN	0x3a02
diff --git a/lib/scsi-lowlevel.c b/lib/scsi-lowlevel.c
index e337556..775fc44 100644
--- a/lib/scsi-lowlevel.c
+++ b/lib/scsi-lowlevel.c
@@ -149,6 +149,8 @@ scsi_sense_ascq_str(int ascq)
 		 "MEDIUM_NOT_PRESENT-TRAY_OPEN"},
 		{SCSI_SENSE_ASCQ_BUS_RESET,
 		 "BUS_RESET"},
+		{SCSI_SENSE_ASCQ_CAPACITY_DATA_HAS_CHANGED,
+		 "CAPACITY_DATA_HAS_CHANGED"},
 		{SCSI_SENSE_ASCQ_INTERNAL_TARGET_FAILURE,
 		 "INTERNAL_TARGET_FAILURE"},
 		{SCSI_SENSE_ASCQ_MISCOMPARE_DURING_VERIFY,