diff --git a/js/actionCreators.js b/js/actionCreators.js
index 2edbe737..354f34f8 100644
--- a/js/actionCreators.js
+++ b/js/actionCreators.js
@@ -95,7 +95,8 @@ export function toggleShuffle() {
   return { type: TOGGLE_SHUFFLE };
 }
 
-const normalize = hrz => hrz / 63 * 100;
+export const normalize = hrz => Math.round((hrz - 1) / 63 * 100);
+
 function setEqFromFile(file) {
   return dispatch => {
     file.processBuffer(arrayBuffer => {
diff --git a/js/actionCreators.test.js b/js/actionCreators.test.js
index 9d9b026b..51f5eca7 100644
--- a/js/actionCreators.test.js
+++ b/js/actionCreators.test.js
@@ -18,7 +18,8 @@ import {
   setEqBand,
   setEqToMax,
   setEqToMin,
-  setEqToMid
+  setEqToMid,
+  normalize
 } from "./actionCreators";
 
 test("stop", () => {
@@ -123,3 +124,8 @@ test("setEqToMid", () => {
   ]);
   expect(mockDispatch.mock.calls).toEqual(expectedCalls);
 });
+
+test("normalize", () => {
+  expect(normalize(1)).toBe(0);
+  expect(normalize(64)).toBe(100);
+});