diff --git a/pkgs/development/tools/hcloud/default.nix b/pkgs/development/tools/hcloud/default.nix
index 1fa9823cb2fa..39fc54b6ac40 100644
--- a/pkgs/development/tools/hcloud/default.nix
+++ b/pkgs/development/tools/hcloud/default.nix
@@ -1,4 +1,8 @@
-{ lib, buildGoModule, fetchFromGitHub, installShellFiles }:
+{ lib
+, buildGoModule
+, fetchFromGitHub
+, installShellFiles
+}:
 
 buildGoModule rec {
   pname = "hcloud";
@@ -7,15 +11,16 @@ buildGoModule rec {
   src = fetchFromGitHub {
     owner = "hetznercloud";
     repo = "cli";
-    rev = "v${version}";
-    sha256 = "sha256-6UQaO2ArAYd6Lr1maciC83k1GlR8FLx+acAZh6SjI3g=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-6UQaO2ArAYd6Lr1maciC83k1GlR8FLx+acAZh6SjI3g=";
   };
 
   vendorHash = "sha256-mxAG3o3IY70xn8WymUzF96Q2XWwQ0efWrrw1VV4Y8HU=";
 
   ldflags = [
-    "-s" "-w"
-    "-X github.com/hetznercloud/cli/internal/version.Version=${version}"
+    "-s"
+    "-w"
+    "-X=github.com/hetznercloud/cli/internal/version.Version=${version}"
   ];
 
   nativeBuildInputs = [ installShellFiles ];