diff --git a/libavfilter/af_arnndn.c b/libavfilter/af_arnndn.c
index 3ef222bc8e..1325f3d6d7 100644
--- a/libavfilter/af_arnndn.c
+++ b/libavfilter/af_arnndn.c
@@ -1436,7 +1436,7 @@ 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.in = in; td.out = out;
     ff_filter_execute(ctx, rnnoise_channels, &td, NULL,