diff --git a/nixos/systems/blowhole/nas.nix b/nixos/systems/blowhole/nas.nix
index 41d6895..aafe86c 100644
--- a/nixos/systems/blowhole/nas.nix
+++ b/nixos/systems/blowhole/nas.nix
@@ -15,7 +15,7 @@
       snapshot="$(date +restic%+4Y_%U_%u)"
       ${pkgs.zfs-relmount}/bin/zfs-relmount snapshot storfa/ds1/cartman "''${snapshot}"
 
-      mkdir /run/restic/cartman
+      mkdir -p /run/restic/cartman
       ${pkgs.zfs-relmount}/bin/zfs-relmount mount-snapshot storfa/ds1/cartman /run/restic/cartman "''${snapshot}"
 
       export RESTIC_PROGRESS_FPS=1