diff --git a/pkgs/development/tools/sumneko-lua-language-server/default.nix b/pkgs/development/tools/sumneko-lua-language-server/default.nix
index 9b0bba533f5f..1f2553e32f37 100644
--- a/pkgs/development/tools/sumneko-lua-language-server/default.nix
+++ b/pkgs/development/tools/sumneko-lua-language-server/default.nix
@@ -59,5 +59,6 @@ stdenv.mkDerivation rec {
     license = licenses.mit;
     maintainers = with maintainers; [ mjlbach ];
     platforms = platforms.linux;
+    mainProgram = "lua-language-server";
   };
 }