diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index d2c31e6..c71c1b4 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -25,10 +25,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
         matrix:
-            kernelVersion: ["5.4", "5.10", "5.11"]
+            kernelVersion: ["54", "510", "511"]
             sched: [bmq, cfs, cacule, muqss, pds]
             include:
-              - kernelVersion: "5.10"
+              - kernelVersion: "510"
                 sched: upds
     steps:
       - uses: actions/checkout@v2.3.4
diff --git a/flake.nix b/flake.nix
index 125a58c..d93dc2f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,7 +29,7 @@
         }
         # For github workflow tests
         // builtins.listToAttrs (builtins.map (e: {
-          name = "linux_tkg-${e.scheduler}-${e.version}";
+          name = "linux_tkg-${e.scheduler}-${pkgs.lib.stringAsChars (x: if x == "." then "" else x) e.version}";
           value = callPackage ./packages/linux-tkg {
             inherit (e) scheduler version;
             kernelPatches = with pkgs.kernelPatches; [
@@ -41,7 +41,7 @@
           scheduler = ["bmq" "cfs" "cacule" "muqss" "pds"];
           version = ["5.4" "5.10" "5.11"];
         })) // {
-          "linux_tkg-upds-5.10" = callPackage ./packages/linux-tkg {
+          "linux_tkg-upds-510" = callPackage ./packages/linux-tkg {
             version = "5.10";
             scheduler = "upds";
             kernelPatches = with pkgs.kernelPatches; [