diff --git a/reviewboard/static/rb/js/utils/linkifyUtils.es6.js b/reviewboard/static/rb/js/utils/linkifyUtils.es6.js
index bb1c18bddbd9f6dada5eb855a7cfa8e56165581a..604f8b1514ada46fd6406121be3fb02c2e143dcd 100644
--- a/reviewboard/static/rb/js/utils/linkifyUtils.es6.js
+++ b/reviewboard/static/rb/js/utils/linkifyUtils.es6.js
@@ -184,7 +184,9 @@ RB.LinkifyUtils = {
      *         by the captured bug ID.
      */
     linkifyChildren(el, bugTrackerURL) {
-        for (let node = el.childNodes[0]; node; node = node.nextSibling) {
+	for (let i = 0; i < el.childNodes.length; i++) {
+	    const node = el.childNodes[i];
+
             if (node.nodeType === node.TEXT_NODE) {
                 if (node.textContent) {
                     const newText = RB.LinkifyUtils.linkifyText(