diff --git a/bin/em/variabletime/web/js/audio.js b/bin/em/variabletime/web/js/audio.js
index 114fe79..dfebbb8 100644
--- a/bin/em/variabletime/web/js/audio.js
+++ b/bin/em/variabletime/web/js/audio.js
@@ -126,6 +126,11 @@ const Audio = function(tp, record) {
 
     const getAudioMappingOptions = (layer, propTitle) => {
         if (savedMapping.hasOwnProperty(layer.id()) && savedMapping[layer.id()].hasOwnProperty(propTitle)) {
+            if (tp.isSequenced(propTitle, layer)) {
+                const m = clone(savedMapping[layer.id()][propTitle]);
+                delete m.letterDelay;
+                return m;
+            }
             return savedMapping[layer.id()][propTitle];
         } else if (propTitle === 'color') {
             const mm = getDefaultRange(layer, 'color');