diff --git a/lib/s3.js b/lib/s3.js
index 88e6139..3a4c816 100644
--- a/lib/s3.js
+++ b/lib/s3.js
@@ -18,7 +18,7 @@ module.exports = CoreObject.extend({
     this.s3 = this.s3 || require('s3');
     this.client = this.s3.createClient({
       maxAsyncS3: 1,
-      s3Options: this.config.assets
+      s3Options: this.config.get('assets')
     });
   },
 
@@ -51,8 +51,8 @@ module.exports = CoreObject.extend({
       localDir: 'tmp/assets-sync',
       s3Params: {
         ACL: 'public-read',
-        Bucket: this.config.assets.bucket,
-        Prefix: this.config.assets.prefix || '',
+        Bucket: this.config.get('assets.bucket'),
+        Prefix: this.config.get('assets.prefix') || '',
         CacheControl: 'max-age='+TWO_YEAR_CACHE_PERIOD_IN_SEC+', public',
         Expires: EXPIRE_IN_2030
       },
@@ -61,7 +61,7 @@ module.exports = CoreObject.extend({
   },
 
   getS3Params: function(localFile, stat, callback) {
-    var gzipExtensions = this.config.assets.gzipExtensions ? this.config.assets.gzipExtensions : ['js', 'css', 'svg'];
+    var gzipExtensions = this.config.get('assets.gzipExtensions');
     var ext = localFile.replace(/.*[\.\/\\]/, '').toLowerCase();
     var isGzippedContent = gzipExtensions.indexOf(ext) != -1;
     var additionalParams = isGzippedContent ? { ContentEncoding: 'gzip' } : {};