diff --git a/files.nix b/files.nix
index 35e0e25..0af40fe 100644
--- a/files.nix
+++ b/files.nix
@@ -17,7 +17,7 @@ in
     ];
   system.activationScripts = let
     jq = "${pkgs.jq}/bin/jq";
-    sed = "${pkgs.sed}/bin/sed";
+    sed = "${pkgs.gnused}/bin/sed";
   in
   {
     nextcloudSecrets =