diff --git a/chrome/content/zotero/components/progressQueueTable.jsx b/chrome/content/zotero/components/progressQueueTable.jsx
index c010c7639e..dfa6c66ef2 100644
--- a/chrome/content/zotero/components/progressQueueTable.jsx
+++ b/chrome/content/zotero/components/progressQueueTable.jsx
@@ -68,6 +68,14 @@ const ProgressQueueTable = ({ onActivate = noop, progressQueue }) => {
 		for (let column of columns) {
 			if (column.dataKey === 'success') {
 				let span = document.createElement('span');
+				if (!span.ownerGlobal) {
+					// If this script was imported from a non-window context, we'll have a global object that looks like
+					// a Window and document.createElement() will succeed, but the returned Element object won't have
+					// an ownerGlobal. Trying to append a child or set its innerHTML will segfault Zotero. For now,
+					// let's just abort if we get an invalid Element.
+					// TODO: Remove once we're using ES modules
+					return div;
+				}
 				span.className = `cell icon ${column.className}`;
 				span.appendChild(getImageByStatus(row.status));
 				div.appendChild(span);