diff --git a/libavfilter/avf_showspectrum.c b/libavfilter/avf_showspectrum.c
index e3ae6ea045..28db8b1009 100644
--- a/libavfilter/avf_showspectrum.c
+++ b/libavfilter/avf_showspectrum.c
@@ -468,7 +468,7 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples, int nb
         }
 
         outpicref->pts = insamples->pts +
-            av_rescale_q(s->consumed,
+            av_rescale_q(s->consumed + add_samples - win_size,
                          (AVRational){ 1, inlink->sample_rate },
                          outlink->time_base);
         ret = push_frame(outlink);