diff --git a/nix/machines/hopper/newlab.nix b/nix/machines/hopper/newlab.nix
index 1ba2e30..056b5de 100644
--- a/nix/machines/hopper/newlab.nix
+++ b/nix/machines/hopper/newlab.nix
@@ -413,6 +413,7 @@ in {
 
   services.transmission = {
     enable = true;
+    package = pkgs.transmission_4;
     performanceNetParameters = true;
     settings = let
       mbit = 125;