diff --git a/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix b/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
index fcd73823b89a..b779e8298c0a 100644
--- a/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
+++ b/pkgs/os-specific/linux/kernel/linux-hardened-copperhead.nix
@@ -1,15 +1,15 @@
 { stdenv, hostPlatform, fetchFromGitHub, perl, buildLinux, ... } @ args:
 
 let
-  version = "4.12";
+  version = "4.11.8";
   revision = "a";
-  sha256 = "1vh104y40b7lkmgdbr0rd56i6qydinijfnnzn5aj5fi4n0n750v6";
+  sha256 = "02wy5gpgl2hz06dlqcgg9i3ydnxkyw0m1350vc5xyh6ld5r7jnn5";
 in
 
 import ./generic.nix (args // {
   version = "${version}-${revision}";
-  extraMeta.branch = "4.12";
-  modDirVersion = "${version}.0";
+  extraMeta.branch = "4.11";
+  modDirVersion = version;
 
   src = fetchFromGitHub {
     inherit sha256;