diff --git a/shells/defaultShell.nix b/shells/defaultShell.nix
index 2e90507..28cfe45 100644
--- a/shells/defaultShell.nix
+++ b/shells/defaultShell.nix
@@ -4,7 +4,7 @@ pkgs.mkShell {
     alejandra
     (pkgs.writeShellScriptBin
       "azos-lauretta-update"
-      "sudo nixos-rebuild switch --flake .#lauretta")
+      "sudo nixos-rebuild switch --flake '.?submodules=1#lauretta'")
     (pkgs.writeShellScriptBin
       "azos-update-azos-core"
       "nix flake update azos-core")