diff --git a/files/cloud_init.cfg.tftpl b/files/cloud_init.cfg.tftpl
index ea6d991..fd7ce7a 100644
--- a/files/cloud_init.cfg.tftpl
+++ b/files/cloud_init.cfg.tftpl
@@ -60,7 +60,7 @@ mounts:
 - ["data.1", "/mnt/data"]
 %{ endif }
 %{ if add_data_share }
-- ["data", "/mnt/data", "9p", "trans=virtio", "0", "0"]
+- ["data", "/mnt/data", "9p", "trans=virtio,version=9p2000.L,rw", "0", "0"]
 %{ endif }
 %{ endif }