diff --git a/includes/script.js b/includes/script.js
index 7ac233a..809a6bd 100644
--- a/includes/script.js
+++ b/includes/script.js
@@ -1,7 +1,7 @@
 $(document).ready(function() {
     // todo define things like 16x16, 128x128 etc. as constants?
     // also script debounce/throttle times
-    const animationTime = 400; // defined in bitsy.js
+    var animationTime = 400; // defined in bitsy.js
 
     var bitsyData = {};