diff --git a/chrome/content/zotero/runJS.html b/chrome/content/zotero/runJS.html
index 5b2a9bce52..cae1491507 100644
--- a/chrome/content/zotero/runJS.html
+++ b/chrome/content/zotero/runJS.html
@@ -1,5 +1,6 @@
+ Run JavaScript
diff --git a/chrome/content/zotero/runJS.js b/chrome/content/zotero/runJS.js
index 77d2853594..04eb32a817 100644
--- a/chrome/content/zotero/runJS.js
+++ b/chrome/content/zotero/runJS.js
@@ -25,7 +25,7 @@ async function run() {
}
catch (e) {
resultTextbox.classList.add('error');
- resultTextbox.value = e;
+ resultTextbox.textContent = e;
return;
}
resultTextbox.classList.remove('error');