diff --git a/pkgs/linux-cachyos/prepare.nix b/pkgs/linux-cachyos/prepare.nix
index fd7aa52fd..0fe5148b1 100644
--- a/pkgs/linux-cachyos/prepare.nix
+++ b/pkgs/linux-cachyos/prepare.nix
@@ -252,7 +252,7 @@ stdenv.mkDerivation (finalAttrs: {
     inherit cachyConfig makeEnv stdenv;
     kernelPatches = patches;
     extraVerPatch = ''
-      sed -Ei"" 's/EXTRAVERSION =(.+)$/EXTRAVERSION =\1-cachyos/g' Makefile
+      sed -Ei"" 's/EXTRAVERSION = ?(.*)$/EXTRAVERSION = \1${cachyConfig.versions.suffix}/g' Makefile
     '';
   };
 })
diff --git a/pkgs/linux-cachyos/versions-hardened.json b/pkgs/linux-cachyos/versions-hardened.json
index a822cb468..fc9718824 100644
--- a/pkgs/linux-cachyos/versions-hardened.json
+++ b/pkgs/linux-cachyos/versions-hardened.json
@@ -1,4 +1,5 @@
 {
+  "suffix": "-cachyos",
   "linux": {
     "version": "6.9.9",
     "hash": "sha256-K+BbSH6yOaO/aH1iio8QQXfQnDEPALzCpeUPFzNCHrk="
diff --git a/pkgs/linux-cachyos/versions-rc.json b/pkgs/linux-cachyos/versions-rc.json
index 60b3d9c44..3049a2a37 100644
--- a/pkgs/linux-cachyos/versions-rc.json
+++ b/pkgs/linux-cachyos/versions-rc.json
@@ -1,4 +1,5 @@
 {
+  "suffix": "-cachyos",
   "linux": {
     "version": "6.10-rc7",
     "hash": "sha256-M7MupqhPAWsv4HfDH4zhgRBI+Oxdk/RrXgnltXX7xg0="