diff --git a/pkgs/os-specific/linux/kernel/generic.nix b/pkgs/os-specific/linux/kernel/generic.nix
index 9fe1dedda864..eaa90ac0eeca 100644
--- a/pkgs/os-specific/linux/kernel/generic.nix
+++ b/pkgs/os-specific/linux/kernel/generic.nix
@@ -77,7 +77,7 @@ stdenv.mkDerivation {
 
   generateConfig = ./generate-config.pl;
 
-  inherit preConfigure src module_init_tools localVersion postInstall;
+  inherit preConfigure src module_init_tools localVersion postInstall postBuild;
 
   patches = map (p: p.patch) kernelPatches;