diff --git a/include/spdk/bdev_zone.h b/include/spdk/bdev_zone.h
index 9306256b8..1c0fe8c02 100644
--- a/include/spdk/bdev_zone.h
+++ b/include/spdk/bdev_zone.h
@@ -57,12 +57,12 @@ enum spdk_bdev_zone_action {
 };
 
 enum spdk_bdev_zone_state {
-	SPDK_BDEV_ZONE_STATE_EMPTY,
-	SPDK_BDEV_ZONE_STATE_OPEN,
-	SPDK_BDEV_ZONE_STATE_FULL,
-	SPDK_BDEV_ZONE_STATE_CLOSED,
-	SPDK_BDEV_ZONE_STATE_READ_ONLY,
-	SPDK_BDEV_ZONE_STATE_OFFLINE
+	SPDK_BDEV_ZONE_STATE_EMPTY	= 0x0,
+	SPDK_BDEV_ZONE_STATE_OPEN	= 0x1,
+	SPDK_BDEV_ZONE_STATE_FULL	= 0x2,
+	SPDK_BDEV_ZONE_STATE_CLOSED	= 0x3,
+	SPDK_BDEV_ZONE_STATE_READ_ONLY	= 0x4,
+	SPDK_BDEV_ZONE_STATE_OFFLINE	= 0x5,
 };
 
 struct spdk_bdev_zone_info {