diff --git a/cavemen/nixrunserver.sh b/cavemen/nixrunserver.sh
index 29a1c47..8e6dced 100755
--- a/cavemen/nixrunserver.sh
+++ b/cavemen/nixrunserver.sh
@@ -3,7 +3,9 @@
 #! nix-shell -p javaPackages.compiler.openjdk17
 #! nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs/tarball/nixos-25.11
 
-java -Xmx8192M -Xms6144M -jar minecraft_server.jar nogui
+source /home/h3lp/mineserver/minecraft.env
+
+java -Xmx${MEMORY_MAX}M -Xms${MEMORY_MIN}M -jar minecraft_server.jar nogui
 
 read -rp "Pack and publish world? [y/N] " answer
 if [[ "$answer" =~ ^[Yy]$ ]]; then
diff --git a/minecraft.env b/minecraft.env
index b04447f..34947bf 100644
--- a/minecraft.env
+++ b/minecraft.env
@@ -1,2 +1,4 @@
 SERVERPACK=https://20111511.xyz/serverpack.tar.xz
 WORLD=https://20111511.xyz/world.tar.xz
+MEMORY_MAX=8192
+MEMORY_MIN=6144
diff --git a/root/etc/nixos/configuration.nix b/root/etc/nixos/configuration.nix
index f5bc9a0..e210c09 100644
--- a/root/etc/nixos/configuration.nix
+++ b/root/etc/nixos/configuration.nix
@@ -195,6 +195,8 @@
       # 5) Copy cavemen/* files over, overwriting existing
       cp -rf "$TMPDIR/autodeploy/cavemen/." "$MINESERVER/"
       chmod +x "$MINESERVER/nixrunserver.sh"
+      # Also copy minecraft.env for future reference
+      cp "$TMPDIR/autodeploy/minecraft.env" "$MINESERVER/minecraft.env"
 
       # Cleanup and mark setup as done
       rm -rf "$TMPDIR"