diff --git a/frontend/src/components/index-viewer.js b/frontend/src/components/index-viewer.js
index 22f66226c3..7549326bd3 100644
--- a/frontend/src/components/index-viewer.js
+++ b/frontend/src/components/index-viewer.js
@@ -249,16 +249,12 @@ class FolderItem extends React.Component {
     });
   }
 
-  expandChildNodes = () => {
-    this.setState({ expanded: true });
-  }
-
   renderLink = (node) => {
     const className = node.path === this.props.currentPath ? 'wiki-nav-content wiki-nav-content-highlight' : 'wiki-nav-content';
     if (node.href && node.name) {
-      return <div className={className}><a href={node.href} data-path={node.path} onClick={this.expandChildNodes}>{node.name}</a></div>;
+      return <div className={className}><a href={node.href} data-path={node.path} onClick={this.toggleExpanded}>{node.name}</a></div>;
     } else if (node.name) {
-      return <div className="wiki-nav-content"><span onClick={this.expandChildNodes}>{node.name}</span></div>;
+      return <div className="wiki-nav-content"><span onClick={this.toggleExpanded}>{node.name}</span></div>;
     } else {
       return null;
     }