diff --git a/installers/lxd-preseed.conf b/installers/lxd-preseed.conf
index 21851d5..15a9594 100644
--- a/installers/lxd-preseed.conf
+++ b/installers/lxd-preseed.conf
@@ -23,10 +23,10 @@
   type: ""
 storage_pools:
 - config:
-    size: 15GB
+    size: 100GB
   description: ""
   name: default
-  driver: zfs
+  driver: btrfs
 profiles:
 - config: {}
   description: ""