diff --git a/lib/bdev/malloc/bdev_malloc.c b/lib/bdev/malloc/bdev_malloc.c
index c7a1aabed..699eb7e00 100644
--- a/lib/bdev/malloc/bdev_malloc.c
+++ b/lib/bdev/malloc/bdev_malloc.c
@@ -350,6 +350,8 @@ bdev_malloc_get_io_channel(void *ctx)
 static void
 bdev_malloc_write_json_config(struct spdk_bdev *bdev, struct spdk_json_write_ctx *w)
 {
+	char uuid_str[SPDK_UUID_STRING_LEN];
+
 	spdk_json_write_object_begin(w);
 
 	spdk_json_write_named_string(w, "method", "construct_malloc_bdev");
@@ -358,6 +360,9 @@ bdev_malloc_write_json_config(struct spdk_bdev *bdev, struct spdk_json_write_ctx
 	spdk_json_write_named_string(w, "name", bdev->name);
 	spdk_json_write_named_uint64(w, "num_blocks", bdev->blockcnt);
 	spdk_json_write_named_uint32(w, "block_size", bdev->blocklen);
+	spdk_uuid_fmt_lower(uuid_str, sizeof(uuid_str), &bdev->uuid);
+	spdk_json_write_named_string(w, "uuid", uuid_str);
+
 	spdk_json_write_object_end(w);
 
 	spdk_json_write_object_end(w);
diff --git a/lib/bdev/null/bdev_null.c b/lib/bdev/null/bdev_null.c
index 6020c7428..5df16367d 100644
--- a/lib/bdev/null/bdev_null.c
+++ b/lib/bdev/null/bdev_null.c
@@ -134,6 +134,8 @@ bdev_null_get_io_channel(void *ctx)
 static void
 bdev_null_write_config_json(struct spdk_bdev *bdev, struct spdk_json_write_ctx *w)
 {
+	char uuid_str[SPDK_UUID_STRING_LEN];
+
 	spdk_json_write_object_begin(w);
 
 	spdk_json_write_named_string(w, "method", "construct_null_bdev");
@@ -142,6 +144,8 @@ bdev_null_write_config_json(struct spdk_bdev *bdev, struct spdk_json_write_ctx *
 	spdk_json_write_named_string(w, "name", bdev->name);
 	spdk_json_write_named_uint64(w, "num_blocks", bdev->blockcnt);
 	spdk_json_write_named_uint32(w, "block_size", bdev->blocklen);
+	spdk_uuid_fmt_lower(uuid_str, sizeof(uuid_str), &bdev->uuid);
+	spdk_json_write_named_string(w, "uuid", uuid_str);
 	spdk_json_write_object_end(w);
 
 	spdk_json_write_object_end(w);