diff --git a/lib/gui.js b/lib/gui.js
index 08c8a5b..d093a18 100644
--- a/lib/gui.js
+++ b/lib/gui.js
@@ -60,7 +60,7 @@ function (chroma, Map, Sidebar, Tabs, Container, Meshstats, Linklist,
     contentDiv.appendChild(buttons)
 
     var buttonToggle = document.createElement("button")
-    buttonToggle.textContent = ""
+    buttonToggle.textContent = ""
     buttonToggle.onclick = function () {
       if (content.constructor === Map) {
         buttonToggle.textContent = ""