diff --git a/src/librustdoc/html/static/.eslintrc.js b/src/librustdoc/html/static/.eslintrc.js
index 26ca8213ab1..a5175b1a4b4 100644
--- a/src/librustdoc/html/static/.eslintrc.js
+++ b/src/librustdoc/html/static/.eslintrc.js
@@ -86,5 +86,6 @@ module.exports = {
         "no-label-var": "error",
         "no-lonely-if": "error",
         "no-mixed-operators": "error",
+        "no-multi-assign": "error",
     }
 };