diff --git a/web/source/index.js b/web/source/index.js
index b47a06607..218e420ed 100644
--- a/web/source/index.js
+++ b/web/source/index.js
@@ -97,7 +97,8 @@ const browserifyConfig = {
 				return out(file);
 			})
 		}]
-	]
+	],
+	extensions: [".js", ".jsx", ".css"]
 };
 
 const entryFiles = Object.keys(bundles);