diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 160936af5ae..d5e20a31d15 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2777,7 +2777,9 @@ with pkgs;
 
   jaaa = callPackage ../applications/audio/jaaa { };
 
-  jackett = callPackage ../servers/jackett { };
+  jackett = callPackage ../servers/jackett {
+    mono = mono50;
+  };
 
   jade = callPackage ../tools/text/sgml/jade { };