diff --git a/modules/gameservers/minecraft_modded/default.nix b/modules/gameservers/minecraft_modded/default.nix
index 69983dd..91de1b4 100644
--- a/modules/gameservers/minecraft_modded/default.nix
+++ b/modules/gameservers/minecraft_modded/default.nix
@@ -113,6 +113,7 @@ in {
 
     # open firewall
     networking.firewall.allowedTCPPorts = [25579];
+    networking.firewall.allowedUDPPorts = [25580]; #voicechat
 
     sops.secrets = {
       "borg_passwd" = {