diff --git a/modules/graphical-interface.nix b/modules/graphical-interface.nix
index 41bb076..7d5f6ce 100644
--- a/modules/graphical-interface.nix
+++ b/modules/graphical-interface.nix
@@ -88,6 +88,7 @@
         # Open ports in the firewall for Steam Local Network Game Transfers
         localNetworkGameTransfers.openFirewall = true;
       };
+      networking.firewall.allowedTCPPorts = [51513];
     })
   ];
 }