diff --git a/src/parser/parser.ts b/src/parser/parser.ts
index 3160ddbb..3fadbee3 100644
--- a/src/parser/parser.ts
+++ b/src/parser/parser.ts
@@ -13,8 +13,8 @@ const pathHeading: Renderer = (path: string) => `# \`${path.replace(homedir(), '
 
 function wrap(contentType: string, content: string, linkPath?: string): string {
     let link = '';
-    if (typeof linkPath !== 'undefined') {
-        link = `\n<div id="top-nav">\n<a href="${pathToURL(linkPath)}">◂ ${
+    if (linkPath) {
+        link = `\n<div id="top-nav">\n<a id="top-nav-up" href="${pathToURL(linkPath)}"> ${
             pbasename(linkPath) || '/'
         }</a>\n</div>`;
     }
diff --git a/static/style.css b/static/style.css
index 32093baa..c36e34bf 100644
--- a/static/style.css
+++ b/static/style.css
@@ -61,6 +61,7 @@ h3:hover a.header-anchor, h4:hover a.header-anchor,
 h5:hover a.header-anchor, h6:hover a.header-anchor {
     opacity: 1;
 }
+a#top-nav-up:before { content: '◂'}
 
 /* --------------------------------------------------------------------------
  * TABLES ------------------------------------------------------------------- */