diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index 2bdb733..74db811 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -803,13 +803,15 @@ DRI2WaitSBC(ClientPtr client, DrawablePtr pDraw, CARD64 target_sbc,
 void
 DRI2DestroyDrawable(DrawablePtr pDraw)
 {
-    DRI2ScreenPtr   ds = DRI2GetScreen(pDraw->pScreen);
+    DRI2ScreenPtr   ds;
     DRI2DrawablePtr pPriv;
 
     pPriv = DRI2GetDrawable(pDraw);
     if (pPriv == NULL)
 	return;
 
+    ds = DRI2GetScreen(pDraw->pScreen);
+
     pPriv->refCount--;
     if (pPriv->refCount > 0)
 	return;