diff --git a/js/widgets/musickeyboard.js b/js/widgets/musickeyboard.js
index 15bc7dd91f..3f6a57a5fe 100644
--- a/js/widgets/musickeyboard.js
+++ b/js/widgets/musickeyboard.js
@@ -983,7 +983,7 @@ function MusicKeyboard(activity) {
                     this._createKeyboard();
                 }
             }
-        }, time * 1000 + 125);
+        }, time * 1000 );
     };
 
     /**
@@ -3009,7 +3009,7 @@ function MusicKeyboard(activity) {
         var actionGroups = parseInt(selectedNotes.length / actionGroupInterval) + 1;
 
         for (let actionGroup = 0; actionGroup < actionGroups; actionGroup++) {
-            let currentSelectedNotes = selectedNotes.slice(
+            const currentSelectedNotes = selectedNotes.slice(
                 actionGroup * actionGroupInterval,
                 (actionGroup + 1) * actionGroupInterval
             );
@@ -3068,8 +3068,8 @@ function MusicKeyboard(activity) {
 
                     // note value is saved as a fraction
                     newStack.push([idx + 2, "divide", 0, 0, [idx, idx + 3, idx + 4]]);
-                    const maxWidth = Math.max.apply(Math, note.duration);
-
+                    const scaleFactor = 2.6666666665;
+                    const maxWidth = Math.max.apply(Math, note.duration) / scaleFactor;
                     const obj = toFraction(maxWidth);
                     newStack.push([idx + 3, ["number", { value: obj[0] }], 0, 0, [idx + 2]]);
                     newStack.push([idx + 4, ["number", { value: obj[1] }], 0, 0, [idx + 2]]);