diff --git a/pkgs/by-name/et/etlegacy-unwrapped/package.nix b/pkgs/by-name/et/etlegacy-unwrapped/package.nix
index e15e42c94bf5..e4e79ddfc43b 100644
--- a/pkgs/by-name/et/etlegacy-unwrapped/package.nix
+++ b/pkgs/by-name/et/etlegacy-unwrapped/package.nix
@@ -91,17 +91,21 @@ stdenv.mkDerivation {
     (lib.cmakeBool "BUNDLED_CJSON" false)
     (lib.cmakeBool "BUNDLED_JPEG" false)
     (lib.cmakeBool "BUNDLED_LIBS" false)
+    (lib.cmakeBool "BUNDLED_LIBS_DEFAULT" false)
     (lib.cmakeBool "BUNDLED_FREETYPE" false)
     (lib.cmakeBool "BUNDLED_OGG_VORBIS" false)
     (lib.cmakeBool "BUNDLED_OPENAL" false)
     (lib.cmakeBool "BUNDLED_PNG" false)
     (lib.cmakeBool "BUNDLED_THEORA" false)
     (lib.cmakeBool "BUNDLED_MINIZIP" false)
+    (lib.cmakeBool "CLIENT_GLVND" true)
+    (lib.cmakeBool "ENABLE_SSE" true)
     (lib.cmakeBool "INSTALL_EXTRA" false)
     (lib.cmakeBool "INSTALL_OMNIBOT" false)
     (lib.cmakeBool "INSTALL_GEOIP" false)
     (lib.cmakeBool "INSTALL_WOLFADMIN" false)
     (lib.cmakeBool "FEATURE_AUTOUPDATE" false)
+    (lib.cmakeBool "FEATURE_RENDERER2" false)
     (lib.cmakeFeature "INSTALL_DEFAULT_BASEDIR" "${placeholder "out"}/lib/etlegacy")
     (lib.cmakeFeature "INSTALL_DEFAULT_BINDIR" "${placeholder "out"}/bin")
   ];