diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 835ce56965bf..1b266c83d410 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5694,6 +5694,7 @@ let
   kernelPackages_2_6_29 = recurseIntoAttrs (kernelPackagesFor kernel_2_6_29);
   kernelPackages_2_6_31_zen5 = recurseIntoAttrs (kernelPackagesFor kernel_2_6_31_zen5);
   kernelPackages_2_6_31_zen = recurseIntoAttrs (kernelPackagesFor kernel_2_6_31_zen);
+  kernelPackages_2_6_31_zen_bfs = recurseIntoAttrs (kernelPackagesFor kernel_2_6_31_zen_bfs);
   kernelPackages_2_6_31 = recurseIntoAttrs (kernelPackagesFor kernel_2_6_31);
 
   # The current default kernel / kernel modules.
diff --git a/pkgs/top-level/release.nix b/pkgs/top-level/release.nix
index a3ffd7e6d4ec..824f30d18e72 100644
--- a/pkgs/top-level/release.nix
+++ b/pkgs/top-level/release.nix
@@ -546,6 +546,14 @@ in {
     kernel = linux;
   };
 
+  kernelPackages_2_6_31_zen = {
+    kernel = linux;
+  };
+
+  kernelPackages_2_6_31_zen_bfs = {
+    kernel = linux;
+  };
+
   strategoPackages = {
     sdf = all;
     strategoxt = all;