diff --git a/pkgs/applications/misc/arbtt/default.nix b/pkgs/applications/misc/arbtt/default.nix
index 6e4c041ee3d1..239305c546e7 100644
--- a/pkgs/applications/misc/arbtt/default.nix
+++ b/pkgs/applications/misc/arbtt/default.nix
@@ -21,6 +21,7 @@ cabal.mkDerivation (self: {
     tastyGolden tastyHunit time transformers utf8String
   ];
   extraLibraries = [ libXScrnSaver ];
+  jailbreak = true;
   meta = {
     homepage = "http://arbtt.nomeata.de/";
     description = "Automatic Rule-Based Time Tracker";