diff --git a/libavfilter/vf_lagfun.c b/libavfilter/vf_lagfun.c
index 69191ac1d3..352f08512f 100644
--- a/libavfilter/vf_lagfun.c
+++ b/libavfilter/vf_lagfun.c
@@ -173,7 +173,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
         av_frame_free(&in);
         return AVERROR(ENOMEM);
     }
-    out->pts = in->pts;
+    av_frame_copy_props(out, in);
 
     td.out = out;
     td.in = in;