diff --git a/workbox-config.js b/workbox-config.js
index 1641c84..36b467a 100644
--- a/workbox-config.js
+++ b/workbox-config.js
@@ -1,7 +1,7 @@
 module.exports = {
   globDirectory: `build/`,
   globPatterns: [`**/*.{css,html,ico,js,json,mem,png,wasm,zip}`],
-  maximumFileSizeToCacheInBytes: `8000000`,
+  maximumFileSizeToCacheInBytes: 8000000,
   swDest: `build/sw.js`,
   swSrc: `src/sw.js`,
   globIgnores: [`../workbox-config.js`],