diff --git a/libavfilter/vf_pp7.c b/libavfilter/vf_pp7.c
index 3f8e746038..0a709021c6 100644
--- a/libavfilter/vf_pp7.c
+++ b/libavfilter/vf_pp7.c
@@ -347,6 +347,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
                 return AVERROR(ENOMEM);
             }
             av_frame_copy_props(out, in);
+            out->width = in->width;
+            out->height = in->height;
         }
 
         if (qp_table || pp7->qp) {