diff --git a/js/block.js b/js/block.js
index 255f1ba0ec..81d0286bba 100644
--- a/js/block.js
+++ b/js/block.js
@@ -422,6 +422,7 @@ class Block {
 
                     if (that.bounds === null) {
                         const delayTime = INITIAL_DELAY * Math.pow(2, loopCount);
+                        await delayExecution(delayTime);
                         await new Promise(resolve => setTimeout(resolve, delayTime));
                         updateBounds(loopCount + 1);
                     } else {