diff --git a/src/i965_render.c b/src/i965_render.c
index 3ebd209a..b28b2cee 100644
--- a/src/i965_render.c
+++ b/src/i965_render.c
@@ -1617,12 +1617,16 @@ void
 gen4_render_state_cleanup(ScrnInfoPtr pScrn)
 {
     I830Ptr pI830 = I830PTR(pScrn);
+    struct gen4_render_state *render_state= pI830->gen4_render_state;
+
+    if (render_state->vertex_buffer_bo)
+	dri_bo_unreference (render_state->vertex_buffer_bo);
 
     if (pI830->use_drm_mode) {
 	dri_bo_unmap(pI830->gen4_render_state_mem->bo);
 	dri_bo_unreference(pI830->gen4_render_state_mem->bo);
     }
-    pI830->gen4_render_state->static_state = NULL;
+    render_state->static_state = NULL;
 }
 
 unsigned int