diff --git a/server/server.js b/server/server.js
index 1f49eb6b..5bcb3c63 100644
--- a/server/server.js
+++ b/server/server.js
@@ -35,24 +35,24 @@ app.use(helmet());
 app.use(
   helmet.contentSecurityPolicy({
     directives: {
-      defaultSrc: ['"self"'],
+      defaultSrc: ["'self'"],
       connectSrc: [
-        '"self"',
+        "'self'",
         'https://sentry.prod.mozaws.net',
         'https://www.google-analytics.com',
         'https://ssl.google-analytics.com'
       ],
       imgSrc: [
-        '"self"',
+        "'self'",
         'https://www.google-analytics.com',
         'https://ssl.google-analytics.com'
       ],
-      scriptSrc: ['"self"', 'https://ssl.google-analytics.com'],
-      styleSrc: ['"self"', 'https://code.cdn.mozilla.net'],
-      fontSrc: ['"self"', 'https://code.cdn.mozilla.net'],
-      formAction: ['"none"'],
-      frameAncestors: ['"none"'],
-      objectSrc: ['"none"']
+      scriptSrc: ["'self'", 'https://ssl.google-analytics.com'],
+      styleSrc: ["'self'", 'https://code.cdn.mozilla.net'],
+      fontSrc: ["'self'", 'https://code.cdn.mozilla.net'],
+      formAction: ["'none'"],
+      frameAncestors: ["'none'"],
+      objectSrc: ["'none'"]
     }
   })
 );