diff --git a/index.js b/index.js
index 9605969..d368e42 100644
--- a/index.js
+++ b/index.js
@@ -52,7 +52,7 @@ if (hexo.config.minify) {
         logger: true,
         stamp: true,
         exclude: ['*.min.css']
-    }, hexo.config.minifycss);
+    }, hexo.config.minify.css);
 
     // Js minifier
     hexo.config.minify.js = Object.assign({