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-rw-r--r--libass/ass_render.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libass/ass_render.c b/libass/ass_render.c
index 88ab734..e7a3060 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -1803,7 +1803,7 @@ static void make_shadow_bitmap(CombinedBitmapInfo *info, ASS_Renderer *render_pr
} else if (info->bm_o) {
info->bm_s = info->bm_o;
info->bm_o = 0;
- } else
+ } else if (info->bm)
info->bm_s = copy_bitmap(render_priv->engine, info->bm);
if (!info->bm_s)