diff --git a/notes/ssd.md b/notes/ssd.md
index 5bea385..7c2f59f 100644
--- a/notes/ssd.md
+++ b/notes/ssd.md
@@ -23,7 +23,6 @@ sdb       8:16   0    7G  0 disk
 Increase size
 
 ```sh
-nix-shell -p cloud-utils
-growpart /dev/sda 1
+nix-shell -p cloud-utils --run 'growpart /dev/sda 1'
 resize2fs /dev/sda1
 ```