diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index c680504bb0..b14f814c63 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -196,6 +196,7 @@ struct AVFilterLink
     enum PixelFormat format;
 
     AVFilterPicRef *cur_pic;
+    AVFilterPicRef *outpic;
 };
 
 /** Link two filters together */