diff --git a/pkgs/development/tools/language-servers/helm-ls/default.nix b/pkgs/development/tools/language-servers/helm-ls/default.nix
index b40b2662843e..1fb0c77d9e3a 100644
--- a/pkgs/development/tools/language-servers/helm-ls/default.nix
+++ b/pkgs/development/tools/language-servers/helm-ls/default.nix
@@ -29,7 +29,7 @@ buildGoModule rec {
 
   postInstall = ''
     mv $out/bin/helm-ls $out/bin/helm_ls
-    installShellCompletion --cmd roxctl \
+    installShellCompletion --cmd helm_ls \
       --bash <($out/bin/helm_ls completion bash) \
       --fish <($out/bin/helm_ls completion fish) \
       --zsh <($out/bin/helm_ls completion zsh)