diff --git a/chrome/content/zotero/elements/itemBox.js b/chrome/content/zotero/elements/itemBox.js
index 086584d743..1053a44bd0 100644
--- a/chrome/content/zotero/elements/itemBox.js
+++ b/chrome/content/zotero/elements/itemBox.js
@@ -212,7 +212,7 @@
 			this._id('creator-transform-swap-names').addEventListener('command',
 				event => this.swapNames(event));
 			
-			this._notifierID = Zotero.Notifier.registerObserver(this, ['item'], 'itembox');
+			this._notifierID = Zotero.Notifier.registerObserver(this, ['item'], 'itemBox');
 		}
 		
 		destroy() {
diff --git a/chrome/content/zotero/elements/noteEditor.js b/chrome/content/zotero/elements/noteEditor.js
index b9dc23f8b2..0b9a2a270d 100644
--- a/chrome/content/zotero/elements/noteEditor.js
+++ b/chrome/content/zotero/elements/noteEditor.js
@@ -86,7 +86,7 @@
 			});
 			shadow.append(content);
 
-			this._notifierID = Zotero.Notifier.registerObserver(this, ['item'], 'itembox');
+			this._notifierID = Zotero.Notifier.registerObserver(this, ['item'], 'noteEditor');
 			this.notitle = !!this.getAttribute('notitle');
 		}