diff --git a/js/lib/dom.js b/js/lib/dom.js
index 1b0a252..00051e0 100644
--- a/js/lib/dom.js
+++ b/js/lib/dom.js
@@ -1,6 +1,7 @@
-const range = document.createRange();
+let range = null;
 
 export function parseHTML(html) {
+  if (range == null) { range = document.createRange() }
   return range.createContextualFragment(html);
 }