diff --git a/pkgs/applications/networking/cluster/kube3d/default.nix b/pkgs/applications/networking/cluster/kube3d/default.nix
index af91f0fe7e6..f6306ef9043 100644
--- a/pkgs/applications/networking/cluster/kube3d/default.nix
+++ b/pkgs/applications/networking/cluster/kube3d/default.nix
@@ -23,12 +23,11 @@ buildGoModule rec {
 
   nativeBuildInputs = [ installShellFiles ];
 
-  # TODO: Move to enhanced installShellCompletion when in master: PR #83630
   postInstall = ''
-    $out/bin/k3d completion bash > k3d.bash
-    $out/bin/k3d completion fish > k3d.fish
-    $out/bin/k3d completion zsh  > _k3d
-    installShellCompletion k3d.{bash,fish} --zsh _k3d
+    installShellCompletion --cmd k3d \
+      --bash <($out/bin/k3d completion bash) \
+      --fish <($out/bin/k3d completion fish) \
+      --zsh <($out/bin/k3d completion zsh)
   '';
 
   vendorSha256 = null;