diff --git a/pkgs/by-name/va/vale-ls/package.nix b/pkgs/by-name/va/vale-ls/package.nix
index 6fd99c0d44c7..056008249f69 100644
--- a/pkgs/by-name/va/vale-ls/package.nix
+++ b/pkgs/by-name/va/vale-ls/package.nix
@@ -56,7 +56,7 @@ rustPlatform.buildRustPackage rec {
 
   postInstall = ''
     wrapProgram $out/bin/vale-ls \
-      --prefix PATH : ${lib.makeBinPath [ vale ]}
+      --suffix PATH : ${lib.makeBinPath [ vale ]}
   '';
 
   meta = with lib; {