diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js
index 6c6c067f95189..0b510dd0b6c06 100644
--- a/src/librustdoc/html/static/main.js
+++ b/src/librustdoc/html/static/main.js
@@ -1816,6 +1816,9 @@
 
     var func = function(e) {
         var next = e.nextElementSibling;
+        if (hasClass(e, 'impl') && next && hasClass(next, 'docblock')) {
+            next = next.nextElementSibling;
+        }
         if (!next) {
             return;
         }