diff --git a/js/components/EqualizerWindow/EqGraph.js b/js/components/EqualizerWindow/EqGraph.js
index b2a54ee0..f341cd06 100644
--- a/js/components/EqualizerWindow/EqGraph.js
+++ b/js/components/EqualizerWindow/EqGraph.js
@@ -89,12 +89,12 @@ class EqGraph extends React.Component {
       ys.push(percentToRange(percent, min, max));
     });
 
-    const getY = spline(xs, ys);
+    const allYs = spline(xs, ys);
 
     const maxX = xs[xs.length - 1];
     let lastY = ys[0];
     for (let x = 0; x <= maxX; x++) {
-      const y = clamp(Math.round(getY(x)), 0, GRAPH_HEIGHT - 1);
+      const y = clamp(Math.round(allYs[x]), 0, GRAPH_HEIGHT - 1);
       const yTop = Math.min(y, lastY);
       const height = 1 + Math.abs(lastY - y);
       this.canvasCtx.fillRect(paddingLeft + x, yTop, 1, height);
diff --git a/js/components/EqualizerWindow/spline.js b/js/components/EqualizerWindow/spline.js
index f1b64da2..7c859741 100644
--- a/js/components/EqualizerWindow/spline.js
+++ b/js/components/EqualizerWindow/spline.js
@@ -5,7 +5,7 @@ export default function spline(xs, ys) {
     return 0;
   });
   ks = getNaturalKs(xs, ys, ks);
-  return x => {
+  const getY = x => {
     let i = 1;
     while (xs[i] < x) i++;
     const t = (x - xs[i - 1]) / (xs[i] - xs[i - 1]);
@@ -15,6 +15,12 @@ export default function spline(xs, ys) {
       (1 - t) * ys[i - 1] + t * ys[i] + t * (1 - t) * (a * (1 - t) + b * t);
     return q;
   };
+  const maxX = xs[xs.length - 1];
+  const allYs = [];
+  for (let i = 0; i <= maxX; i++) {
+    allYs.push(getY(i));
+  }
+  return allYs;
 }
 
 function getNaturalKs(xs, ys, ks) {