diff --git a/chrome/content/zotero/bindings/attachmentbox.xml b/chrome/content/zotero/bindings/attachmentbox.xml
index 68021d420..4b406f517 100644
--- a/chrome/content/zotero/bindings/attachmentbox.xml
+++ b/chrome/content/zotero/bindings/attachmentbox.xml
@@ -160,12 +160,21 @@
 				<parameter name="event"/>
 				<parameter name="type"/>
 				<parameter name="ids"/>
+				<parameter name="extraData"/>
 				<body><![CDATA[
 					if (event != 'modify' || !this.item || !this.item.id) return;
-					for (let i = 0; i < ids.length; i++) {
-						if (ids[i] != this.item.id) {
+					for (let id of ids) {
+						if (id != this.item.id) {
 							continue;
 						}
+						
+						var noteEditor = this._id('attachment-note-editor')
+						if (extraData && extraData[id]
+								&& extraData[id].noteEditorID == noteEditor.instanceID) {
+							//Zotero.debug("Skipping notification from current attachment note field");
+							continue;
+						}
+						
 						this.refresh();
 						break;
 					}
diff --git a/chrome/content/zotero/bindings/noteeditor.xml b/chrome/content/zotero/bindings/noteeditor.xml
index cae663895..1f683b258 100644
--- a/chrome/content/zotero/bindings/noteeditor.xml
+++ b/chrome/content/zotero/bindings/noteeditor.xml
@@ -149,7 +149,7 @@
 			
 			<constructor>
 			<![CDATA[
-				this._instanceID = Zotero.Utilities.randomString();
+				this.instanceID = Zotero.Utilities.randomString();
 				this._notifierID = Zotero.Notifier.registerObserver(this, ['item'], 'noteeditor');
 			]]>
 			</constructor>
@@ -172,7 +172,7 @@
 						if (id != this.item.id) {
 							continue;
 						}
-						if (extraData && extraData[id] && extraData[id].noteEditorID == this._instanceID) {
+						if (extraData && extraData[id] && extraData[id].noteEditorID == this.instanceID) {
 							//Zotero.debug("Skipping notification from current note field");
 							continue;
 						}
@@ -275,7 +275,7 @@
 									this.noteField.changed = false;
 									yield this.item.saveTx({
 										notifierData: {
-											noteEditorID: this._instanceID
+											noteEditorID: this.instanceID
 										}
 									});
 								}
