diff --git a/overlay/libexec/k3os/boot b/overlay/libexec/k3os/boot
index 6f6b257f..6b1d1dbc 100644
--- a/overlay/libexec/k3os/boot
+++ b/overlay/libexec/k3os/boot
@@ -167,7 +167,7 @@ setup_state_dirs()
 
 do_grow_live()
 {
-    parted $1 resizepart $2 yes 100%
+    echo -e "Yes" | parted $1 unit % resizepart $2 100% ---pretend-input-tty
     partprobe $1
     sleep 2
     resize2fs $3