diff --git a/services.nix b/services.nix
index c6c76fbbe..c19a39209 100644
--- a/services.nix
+++ b/services.nix
@@ -160,10 +160,11 @@
     80 443 # HAProxy
     111 2049 4000 4001 4002 # NFS
     3483 9000 # Slimserver
-    8384 # Syncthing
+    51413 # Transmission
   ];
   networking.firewall.allowedUDPPorts = [
     111 2049 4000 4001 4002 # NFS
     3483 # Slimserver
+    51413 # Transmission
   ];
 }