diff --git a/nixos/modules/services/security/kanidm.nix b/nixos/modules/services/security/kanidm.nix
index 7018c2de8889..ed904d888d03 100644
--- a/nixos/modules/services/security/kanidm.nix
+++ b/nixos/modules/services/security/kanidm.nix
@@ -937,6 +937,7 @@ in
           StateDirectory = "kanidm";
           StateDirectoryMode = "0700";
           RuntimeDirectory = "kanidmd";
+          ExecStartPre = "${cfg.package}/bin/kanidmd domain rename -c ${serverConfigFile}";
           ExecStart = "${cfg.package}/bin/kanidmd server -c ${serverConfigFile}";
           ExecStartPost = mkIf cfg.provision.enable postStartScript;
           User = "kanidm";