diff --git a/flake.nix b/flake.nix
index 84ef7f729..01b0a201f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,6 +25,7 @@
         packages.zls = pkgs.stdenvNoCC.mkDerivation {
           name = "zls";
           version = "master";
+          meta.mainProgram = "zls";
           src = gitignoreSource ./.;
           nativeBuildInputs = [ zig ];
           dontConfigure = true;