diff --git a/modules/nixos/services/base/default.nix b/modules/nixos/services/base/default.nix
index e817afc..eba1984 100644
--- a/modules/nixos/services/base/default.nix
+++ b/modules/nixos/services/base/default.nix
@@ -159,8 +159,12 @@ in
       ];
       flake = lib.mkDefault "git+https://git.hoyer.xyz/harald/nixcfg";
     };
+
     systemd.services.nixos-upgrade = {
       path = [ pkgs.metacfg.rot8000 ];
+      environment.GIT_CONFIG_GLOBAL = "${config.environment.etc.gitconfig.source}";
+      environment.GIT_CONFIG_SYSTEM = "${config.environment.etc.gitconfig.source}";
+      environment.GIT_CONFIG = "${config.environment.etc.gitconfig.source}";
     };
 
     programs.git.enable = true;