diff --git a/js/canvas.js b/js/canvas.js
index c6fa9ec..8c289ae 100644
--- a/js/canvas.js
+++ b/js/canvas.js
@@ -14,7 +14,6 @@ canvas.height = window.innerHeight;
 var ctx = canvas.getContext('2d');
 
 var dddState; //global variable for DDD state
-var sliderVal; //global speed for packet(s)
 
 function drawEntities(allEntities) {
     // Given a list of entities in the system, draw them to the screen
@@ -45,6 +44,7 @@ function runSim(packetArray, allEntities) {
 }
 
 function animatePacket(packets, allEntities) {
+    let sliderVal = document.getElementById('myRange').value; // global speed
     let map = new Map();
     map[1] = 20;
     map[2] = 30;
@@ -129,7 +129,6 @@ async function startSimulation() {
     dddState = document.getElementById('DDDstate').checked; //global variable for DDD state
     let nPorts = document.getElementById('nports').value;
 
-    sliderVal = document.getElementById('myRange').value; // global speed
 
     // Initialize the entity objects
     let garbage = new Garbage(700, 400);