diff --git a/iscsi-scst/kernel/iscsi.c b/iscsi-scst/kernel/iscsi.c
index 7fe6e4cfb..6f65ab832 100644
--- a/iscsi-scst/kernel/iscsi.c
+++ b/iscsi-scst/kernel/iscsi.c
@@ -3477,7 +3477,7 @@ static void iscsi_task_mgmt_fn_done(struct scst_mgmt_cmd *scst_mcmd)
 static int iscsi_scsi_aen(struct scst_aen *aen)
 {
 	int res = SCST_AEN_RES_SUCCESS;
-	uint64_t lun = scst_aen_get_lun(aen);
+	__be64 lun = scst_aen_get_lun(aen);
 	const uint8_t *sense = scst_aen_get_sense(aen);
 	int sense_len = scst_aen_get_sense_len(aen);
 	struct iscsi_session *sess = scst_sess_get_tgt_priv(
diff --git a/scst/include/scst.h b/scst/include/scst.h
index 0c0318f4f..c185d926c 100644
--- a/scst/include/scst.h
+++ b/scst/include/scst.h
@@ -3198,7 +3198,7 @@ static inline struct scst_session *scst_aen_get_sess(struct scst_aen *aen)
 }
 
 /* Returns AEN's LUN */
-static inline uint64_t scst_aen_get_lun(struct scst_aen *aen)
+static inline __be64 scst_aen_get_lun(struct scst_aen *aen)
 {
 	return aen->lun;
 }