diff --git a/src/librustdoc/html/static/.eslintrc.js b/src/librustdoc/html/static/.eslintrc.js
index bf962303b3a..85a34767b77 100644
--- a/src/librustdoc/html/static/.eslintrc.js
+++ b/src/librustdoc/html/static/.eslintrc.js
@@ -47,5 +47,6 @@ module.exports = {
             { "beforeColon": false, "afterColon": true, "mode": "strict" }
         ],
         "func-call-spacing": ["error", "never"],
+        "space-infix-ops": "error",
     }
 };