diff --git a/lib/bdev/bdev.c b/lib/bdev/bdev.c
index 78fd4747a..0a778663d 100644
--- a/lib/bdev/bdev.c
+++ b/lib/bdev/bdev.c
@@ -716,11 +716,11 @@ spdk_bdev_subsystem_config_json(struct spdk_json_write_ctx *w)
 	}
 
 	TAILQ_FOREACH(bdev, &g_bdev_mgr.bdevs, internal.link) {
-		spdk_bdev_qos_config_json(bdev, w);
-
 		if (bdev->fn_table->write_config_json) {
 			bdev->fn_table->write_config_json(bdev, w);
 		}
+
+		spdk_bdev_qos_config_json(bdev, w);
 	}
 
 	spdk_json_write_array_end(w);