diff --git a/pkgs/servers/pies/default.nix b/pkgs/servers/pies/default.nix
index 2251d44ff386..c472f767d525 100644
--- a/pkgs/servers/pies/default.nix
+++ b/pkgs/servers/pies/default.nix
@@ -8,6 +8,8 @@ stdenv.mkDerivation rec {
     sha256 = "12r7rjjyibjdj08dvwbp0iflfpzl4s0zhn6cr6zj3hwf9gbzgl1g";
   };
 
+  configureFlags = ["--sysconfdir=/etc"];
+
   hardeningDisable = [ "format" ];
 
   doCheck = true;