diff --git a/git_system.nix b/git_system.nix
index 4d4a03f..f6d3572 100644
--- a/git_system.nix
+++ b/git_system.nix
@@ -35,7 +35,7 @@ in
       path = [ pkgs.nix ];
       serviceConfig = {
         Type = "oneshot";
-        ExecStart = "cp ${./home.tmpl} /var/lib/forgejo/custom";
+        ExecStart = "/usr/bin/cp ${./home.tmpl} /var/lib/forgejo/custom";
       };
     };
   };