diff --git a/src/i830_video.c b/src/i830_video.c
index 87fa020..ff80cb6 100644
--- a/src/i830_video.c
+++ b/src/i830_video.c
@@ -2188,6 +2188,19 @@ i830_fill_colorkey (ScreenPtr pScreen, uint32_t key, RegionPtr clipboxes)
    FreeScratchGC (gc);
 }
 
+static void
+i830_clear_video_buf(ScrnInfoPtr pScrn, i830_memory *buf)
+{
+    I830Ptr pI830 = I830PTR(pScrn);
+
+    if (pI830->memory_manager) {
+	drm_intel_bo_map(buf->bo, TRUE);
+	memset(buf->bo->virtual, 0, buf->size);
+	drm_intel_bo_unmap(buf->bo);
+    } else
+	memset(pI830->FbBase + buf->offset, 0, buf->size);
+}
+
 /*
  * The source rectangle of the video is defined by (src_x, src_y, src_w, src_h).
  * The dest rectangle of the video is defined by (drw_x, drw_y, drw_w, drw_h).
@@ -2396,6 +2409,8 @@ I830PutImage(ScrnInfoPtr pScrn,
     if (pPriv->buf == NULL)
 	return BadAlloc;
 
+    i830_clear_video_buf(pScrn, pPriv->buf);
+
     /* fixup pointers */
 #ifdef INTEL_XVMC
     if (id == FOURCC_XVMC && IS_I915(pI830)) {