1 files changed, 1 insertions, 0 deletions
diff --git a/tools/mq_editor/app.js b/tools/mq_editor/app.js
index dd0a24f..d53af37 100644
--- a/tools/mq_editor/app.js
+++ b/tools/mq_editor/app.js
@@ -189,6 +189,7 @@ function loadAudioBuffer(buffer, label) {
       });
     }
 
+    if (viewer) viewer.destroy();
     viewer = new SpectrogramViewer(canvas, audioBuffer, stftCache);
     viewer.setFrames(peakFrames);
     document.getElementById('exploreBtn').disabled = false;