diff --git a/pkgs/top-level/lua-packages.nix b/pkgs/top-level/lua-packages.nix
index 6327995833c..72e64debe2b 100644
--- a/pkgs/top-level/lua-packages.nix
+++ b/pkgs/top-level/lua-packages.nix
@@ -141,7 +141,6 @@ let
   luaexpat = buildLuaPackage rec {
     version = "1.3.0";
     name = "expat-${version}";
-    isLibrary = true;
 
     src = fetchurl {
       url = "https://matthewwild.co.uk/projects/luaexpat/luaexpat-${version}.tar.gz";