diff --git a/system-config/services/minecraft/default.nix b/system-config/services/minecraft/default.nix
index e9c2223..2898ed1 100644
--- a/system-config/services/minecraft/default.nix
+++ b/system-config/services/minecraft/default.nix
@@ -43,7 +43,7 @@
                 modded = {
                     enable = true;
                     package = pkgs.fabricServers.fabric-1_21_1;
-                    jvmOpts = "-Xms8g -Xmx12g";
+                    jvmOpts = [ "-Xms8000M" "-Xmx12000M" ];
                     serverProperties = {
                         server-port = 25566;
                         gamemode = "survival";