diff --git a/krebs/5pkgs/default.nix b/krebs/5pkgs/default.nix
index 4cdaedebf..ab25934c8 100644
--- a/krebs/5pkgs/default.nix
+++ b/krebs/5pkgs/default.nix
@@ -16,10 +16,4 @@ foldl' mergeAttrs {}
   reaktor2 = self.haskellPackages.reaktor2;
 
   ReaktorPlugins = self.callPackage ./simple/Reaktor/plugins.nix {};
-
-  # https://github.com/proot-me/PRoot/issues/106
-  proot = self.writeDashBin "proot" ''
-    export PROOT_NO_SECCOMP=1
-    exec ${super.proot}/bin/proot "$@"
-  '';
 }
diff --git a/krebs/5pkgs/override/default.nix b/krebs/5pkgs/override/default.nix
new file mode 100644
index 000000000..5199d90d8
--- /dev/null
+++ b/krebs/5pkgs/override/default.nix
@@ -0,0 +1,10 @@
+with import <stockholm/lib>;
+self: super: {
+
+  # https://github.com/proot-me/PRoot/issues/106
+  proot = self.writeDashBin "proot" ''
+    export PROOT_NO_SECCOMP=1
+    exec ${super.proot}/bin/proot "$@"
+  '';
+
+}