diff --git a/configs/nix.nix b/configs/nix.nix
index 437bd8f..dc8a092 100644
--- a/configs/nix.nix
+++ b/configs/nix.nix
@@ -2,9 +2,7 @@
 {
   # enable `nix flake`
   nix = {
-    package = pkgs.nix;
-    # extraOptions = ''
-    #   experimental-features = nix-command
-    # '';
+    package = pkgs.nixFlakes;
+    extraOptions = "experimental-features = nix-command flakes";
   };
 }
diff --git a/systems/makanek/configuration.nix b/systems/makanek/configuration.nix
index 44b7e26..5fe732b 100644
--- a/systems/makanek/configuration.nix
+++ b/systems/makanek/configuration.nix
@@ -20,6 +20,7 @@ in
     <niveum/configs/names.nix>
     <niveum/configs/menstruation.nix>
     <niveum/configs/telegram-bots>
+    <niveum/configs/nix.nix>
     <niveum/configs/weechat.nix>
     <niveum/configs/urlwatch.nix>
     <niveum/configs/matterbridge.nix>
diff --git a/systems/zaatar/configuration.nix b/systems/zaatar/configuration.nix
index a543c7e..35dcb65 100644
--- a/systems/zaatar/configuration.nix
+++ b/systems/zaatar/configuration.nix
@@ -10,6 +10,7 @@ in
     <niveum/configs/keyboard.nix>
     <niveum/modules/retiolum.nix>
     <niveum/configs/spacetime.nix>
+    <niveum/configs/nix.nix>
     <niveum/configs/tuna.nix>
     <niveum/configs/sshd.nix>
     <niveum/configs/version.nix>