diff --git a/ui/qt/rtp_audio_stream.cpp b/ui/qt/rtp_audio_stream.cpp
index f5ed020b38..8b50783927 100644
--- a/ui/qt/rtp_audio_stream.cpp
+++ b/ui/qt/rtp_audio_stream.cpp
@@ -614,8 +614,10 @@ void RtpAudioStream::writeSilence(int samples)
     tempfile_->write(silence_buff, silence_bytes);
     g_free(silence_buff);
 
-    QVector<qint16> visual_fill(samples * visual_sample_rate_ / audio_out_rate_, 0);
-    visual_samples_ += visual_fill;
+    // Silence is inserted to audio file only.
+    // If inserted to visual_samples_ too, it shifts whole waveset
+    //QVector<qint16> visual_fill(samples * visual_sample_rate_ / audio_out_rate_, 0);
+    //visual_samples_ += visual_fill;
 }
 
 void RtpAudioStream::outputStateChanged(QAudio::State new_state)
diff --git a/ui/qt/rtp_player_dialog.cpp b/ui/qt/rtp_player_dialog.cpp
index b81fcf0dd8..eb9777d2e0 100644
--- a/ui/qt/rtp_player_dialog.cpp
+++ b/ui/qt/rtp_player_dialog.cpp
@@ -275,7 +275,7 @@ void RtpPlayerDialog::rescanPackets(bool rescale_axes)
         audio_graph->setData(audio_stream->visualTimestamps(relative_timestamps), audio_stream->visualSamples(y_offset));
         audio_graph->removeFromLegend();
         ti->setData(graph_data_col_, Qt::UserRole, QVariant::fromValue<QCPGraph *>(audio_graph));
-        RTP_STREAM_DEBUG("Plotting %s, %d samples", ti->text(src_addr_col_).toUtf8().constData(), audio_graph->data()->keys().length());
+        RTP_STREAM_DEBUG("Plotting %s, %d samples", ti->text(src_addr_col_).toUtf8().constData(), audio_graph->data()->size());
 
         QString span_str = QString("%1 - %2 (%3)")
                 .arg(QString::number(audio_stream->startRelTime(), 'g', 3))