diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3bc6ca6e96c2..3ba524aa722a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13670,7 +13670,7 @@ with pkgs;
   linuxPackages_latest_xen_dom0_hardened = recurseIntoAttrs (hardenedLinuxPackagesFor (pkgs.linux_latest.override { features.xen_dom0=true; }));
 
   linuxPackages_copperhead_lts = recurseIntoAttrs (hardenedLinuxPackagesFor pkgs.linux_copperhead_lts);
-  linuxPackages_copperhead_stable = recurseIntoAttr (hardenedLinuxPackagesFor pkgs.linux_copperhead_stable);
+  linuxPackages_copperhead_stable = recurseIntoAttrs (hardenedLinuxPackagesFor pkgs.linux_copperhead_stable);
 
   # Samus kernels
   linuxPackages_samus_4_12 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_samus_4_12);