diff --git a/winehelper b/winehelper
index dbee1eb..f208f71 100755
--- a/winehelper
+++ b/winehelper
@@ -163,6 +163,7 @@ check_variables WH_WINDOWS_VER "10"
 # check_variables WH_USE_GSTREAMER "1"
 # check_variables WH_USE_D3D_EXTRAS "1"
 check_variables WH_USE_SHADER_CACHE "1"
+check_variables WH_USE_MESA_GL_OVERRIDE "0"
 check_variables WH_USE_WINE_DXGI "0"
 check_variables WH_DLL_INSTALL ""