diff --git a/compositingprefs.h b/compositingprefs.h
index ff5631bfce..b8459f6634 100644
--- a/compositingprefs.h
+++ b/compositingprefs.h
@@ -67,8 +67,10 @@ private:
     bool mEnableVSync;
     bool mEnableDirectRendering;
 
+#ifdef HAVE_OPENGL
     GLXContext mGLContext;
     Window mGLWindow;
+#endif
 };
 
 }