diff --git a/hacking/nix/rust-utils/vendor-lockfile.nix b/hacking/nix/rust-utils/vendor-lockfile.nix
index 799af00fc..4719b7f09 100644
--- a/hacking/nix/rust-utils/vendor-lockfile.nix
+++ b/hacking/nix/rust-utils/vendor-lockfile.nix
@@ -79,7 +79,7 @@ let
       inherit type;
       value = {
         git = parseGitSource;
-        registry  = parseRegistrySource;
+        registry = parseRegistrySource;
       }.${type} value;
     };