diff --git a/nixos/hosts/nixos-rpi4-img/default.nix b/nixos/hosts/nixos-rpi4-img/default.nix
index f239f0c2..ffa48bc3 100644
--- a/nixos/hosts/nixos-rpi4-img/default.nix
+++ b/nixos/hosts/nixos-rpi4-img/default.nix
@@ -3,7 +3,7 @@
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }: {
   nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
-  system.statVersion = 23.05;
+  system.stateVersion = lib.mkDefault "23.05";
   networking.hostName = "nixos-rpi4-img";
   networking.firewall.allowedTCPPorts = [ 22 ];
 }
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