diff --git a/elements/core-doc-page.html b/elements/core-doc-page.html
index 91e81ec..19f06a8 100644
--- a/elements/core-doc-page.html
+++ b/elements/core-doc-page.html
@@ -208,7 +208,7 @@ <h3 id="{{data.name}}.methods">Methods</h3>
             elementToFocus.scrollIntoView();
           }
           else {
-            var viewer = this..shadowRoot.querySelector('core-header-panel').shadowRoot.querySelector('#mainContainer');
+            var viewer = this.shadowRoot.querySelector('core-header-panel').shadowRoot.querySelector('#mainContainer');
             viewer.scrollTop = 0;
             viewer.scrollLeft = 0;
           }