diff --git a/src/glx/x11/glxclient.h b/src/glx/x11/glxclient.h
index bf68d0f8910..2778ad878e7 100644
--- a/src/glx/x11/glxclient.h
+++ b/src/glx/x11/glxclient.h
@@ -501,6 +501,8 @@ struct __GLXscreenConfigsRec {
 
     __GLXDRIscreen *driScreen;
 
+    const __DRIconfig** driver_configs;
+
 #ifdef __DRI_COPY_SUB_BUFFER
     const __DRIcopySubBufferExtension *driCopySubBuffer;
 #endif