diff --git a/src/index.js b/src/index.js
index 63dc4d7..ba13d9e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -32,6 +32,6 @@ export const render = (colors) => {
         });
       };
       `;
-      return Promise.resolve({ name: `themer-hyper-${colorSet.name}.js`, contents: Buffer.from(plugin, 'utf-8') });
+      return Promise.resolve({ name: `themer-hyper-${colorSet.name}.js`, contents: Buffer.from(plugin, 'utf8') });
     });
 };