diff --git a/flake.nix b/flake.nix
index a90ef4b..5ba8c16 100644
--- a/flake.nix
+++ b/flake.nix
@@ -70,6 +70,7 @@
         { nixpkgs.overlays = [ inputs.nix-minecraft.overlay ]; }
         ./modules/games/server/minecraft/default.nix
         ./modules/games/server/minecraft/building.nix
+        ./modules/games/server/minecraft/neoforge-1.21.1.nix
 
         ./modules/services/ssh.nix
         ./modules/network/vpn/tailscale.nix
diff --git a/hosts/miki/configuration.nix b/hosts/miki/configuration.nix
index f85a8b8..d9a39bd 100644
--- a/hosts/miki/configuration.nix
+++ b/hosts/miki/configuration.nix
@@ -16,8 +16,14 @@
   nixpkgs.config.allowUnfree = true;
   nixpkgs.config.nvidia.acceptLicense = true;
 
+  services.minecraft-servers.servers.velocity.jvmOpts = lib.mkForce "-Xms128M -Xmx1024M -Dvelocity.max-known-packs=135";
   services.minecraft-servers.servers.velocity.symlinks."velocity.toml".value = {
     servers.try = [ "building" ];
+
+    forced-hosts = {
+      "neoforge.miki.astolfo.org" = [ "neoforge-1-21-1" ];
+      "building.miki.astolfo.org" = [ "building" ];
+    };
   };
 
   swapDevices = [{
diff --git a/modules/games/server/minecraft/neoforge-1.21.1.nix b/modules/games/server/minecraft/neoforge-1.21.1.nix
index 8ab6d22..675aac3 100644
--- a/modules/games/server/minecraft/neoforge-1.21.1.nix
+++ b/modules/games/server/minecraft/neoforge-1.21.1.nix
@@ -10,7 +10,8 @@
       TYPE = "NEOFORGE";
       VERSION = "1.21.1";
       EULA = "TRUE";
-      MEMORY = "4G";
+      INIT_MEMORY = "1G";
+      MAX_MEMORY = "4G";
       SERVER_PORT = "30005";
 
       UID = "992";