From 33966ba5829a0c723e1e528719e7fde4589dd975 Mon Sep 17 00:00:00 2001
From: Eric Rosenbaum <eric.rosenbaum@gmail.com>
Date: Tue, 6 Feb 2018 12:25:44 -0500
Subject: [PATCH] Check for runtime.currentStepTime is null

---
 src/blocks/scratch3_sensing.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/blocks/scratch3_sensing.js b/src/blocks/scratch3_sensing.js
index fd60c4caa..2c19683ad 100644
--- a/src/blocks/scratch3_sensing.js
+++ b/src/blocks/scratch3_sensing.js
@@ -236,7 +236,7 @@ class Scratch3SensingBlocks {
 
     getLoudness () {
         if (typeof this.runtime.audioEngine === 'undefined') return -1;
-        if (typeof this.runtime.currentStepTime === 'undefined') return -1;
+        if (this.runtime.currentStepTime === null) return -1;
 
         // Only measure loudness once per step
         const timeSinceLoudness = this._timer.time() - this._cachedLoudnessTimestamp;