diff --git a/script/single.js b/script/single.js
index dc8fae7..5d63b5f 100644
--- a/script/single.js
+++ b/script/single.js
@@ -59,12 +59,12 @@ function activateButton(button, doPush = true, firstLoad = false) {
 }
 
 function useFragment(firstLoad = false) {
-  let button;
+  let button = altButtons[0];
 
   let frag = location.hash.replace(/^#/, '');
   if (frag) {
     let selected = document.getElementById(frag);
-    button = selected ? selected : altButtons[0];
+    if (selected) button = selected;
   }
 
   let id;