diff --git a/modules/k3s/default.nix b/modules/k3s/default.nix
index e1a9154..4a46fa5 100644
--- a/modules/k3s/default.nix
+++ b/modules/k3s/default.nix
@@ -36,9 +36,7 @@ in
       clusterInit = mkIf cfg.initServer true;
       serverAddr = mkIf (!cfg.initServer) "https://10.5.0.103:6443";
       manifests = import ./manifests.nix { inherit lib cfg inputs; };
-      disable = [
-        "ubuntu"
-      ];
+      disable = [];
     };
 
     system.activationScripts.cleanK3sManifests = {
@@ -53,7 +51,7 @@ in
         for file in $MANIFESTS_DIR/*.yaml; do
           [ -f "$file" ] || continue
           name=$(basename "$file" .yaml)
-          if ! (echo "$NIX_MANIFESTS $DEFAULT_MANIFESTS" | grep -qw $name); then
+          if ! (echo "$NIX_MANIFESTS $DEFAULT_MANIFESTS" | grep -qw "$name"); then
             echo "Stale manifest found, deleting $name.yaml"
             k3s kubectl delete -f "$file" --ignore-not-found=true 2>/dev/null || true
             rm -f "$file"