diff --git a/lib/plugins/filter/meta_generator.js b/lib/plugins/filter/meta_generator.js
index 2ac0846a6f..1a203bba54 100644
--- a/lib/plugins/filter/meta_generator.js
+++ b/lib/plugins/filter/meta_generator.js
@@ -5,8 +5,7 @@ function hexoMetaGeneratorInject(data) {
   if (!config.meta_generator ||
   data.match(/<meta\s+name=['|"]?generator['|"]?/i)) return;
 
-  const hexoGeneratorTag = '<meta name="generator" content="Hexo %s">'
-    .replace('%s', this.version);
+  const hexoGeneratorTag = `<meta name="generator" content="Hexo ${this.version}">`;
 
   return data.replace('</title>', '</title>' + hexoGeneratorTag);
 }