diff --git a/src/i830_render.c b/src/i830_render.c
index 22e09c8..b34de96 100644
--- a/src/i830_render.c
+++ b/src/i830_render.c
@@ -400,6 +400,7 @@ i830_prepare_composite(int op, PicturePtr pSrcPicture,
     I830Ptr pI830 = I830PTR(pScrn);
     CARD32 dst_format, dst_offset, dst_pitch;
 
+    *pI830->last_3d = LAST_3D_OTHER; //debug
     IntelEmitInvarientState(pScrn);
     *pI830->last_3d = LAST_3D_RENDER;