diff --git a/krebs/5pkgs/default.nix b/krebs/5pkgs/default.nix
index e01b6e804..c79a639a4 100644
--- a/krebs/5pkgs/default.nix
+++ b/krebs/5pkgs/default.nix
@@ -45,12 +45,11 @@ with import <stockholm/lib>;
     buildbot-worker = callPackage ./buildbot/worker.nix {};
 
     # https://github.com/proot-me/PRoot/issues/106
-    proot = overrideDerivation pkgs.proot (oldAttrs: {
-      patches = singleton (pkgs.fetchurl {
-        url = https://github.com/openmole/PRoot/commit/10119a1f1fd7dea012464ae176c2b5fc3eb18928.diff;
-        sha256 = "0cmd95mz8p5ifjvfvi4g9zzyxqddbscxin2j3a9zbmbjl2wi458g";
-      });
-    });
+    proot = pkgs.writeScriptBin "proot" ''
+      #!${pkgs.dash}/bin/dash
+      export PROOT_NO_SECCOMP=1
+      exec ${pkgs.proot}/bin/proot "$@"
+    '';
 
     # XXX symlinkJoin changed arguments somewhere around nixpkgs d541e0d
     symlinkJoin = { name, paths, ... }@args: let