diff --git a/lib/plugins/tag/img.js b/lib/plugins/tag/img.js
index 5b913beeda..a98737254f 100644
--- a/lib/plugins/tag/img.js
+++ b/lib/plugins/tag/img.js
@@ -13,7 +13,7 @@ const rMeta = /["']?([^"']+)?["']?\s*["']?([^"']+)?["']?/;
 */
 module.exports = ctx => {
 
-  return function imgTag(args, content) {
+  return function imgTag(args) {
     const classes = [];
     let src, width, height, title, alt;