diff --git a/chrome/content/zotero/xpcom/data/group.js b/chrome/content/zotero/xpcom/data/group.js
index 9d36e5b33..a17e52ab2 100644
--- a/chrome/content/zotero/xpcom/data/group.js
+++ b/chrome/content/zotero/xpcom/data/group.js
@@ -260,6 +260,8 @@ Zotero.Group.prototype.save = Zotero.Promise.coroutine(function* () {
 * Deletes group and all descendant objects
 **/
 Zotero.Group.prototype.erase = Zotero.Promise.coroutine(function* () {
+	Zotero.debug("Removing group " + this.id);
+	
 	Zotero.DB.requireTransaction();
 	
 	// Delete items
@@ -291,7 +293,11 @@ Zotero.Group.prototype.erase = Zotero.Promise.coroutine(function* () {
 		Zotero.Groups.unregister(this.id);
 		//yield Zotero.purgeDataObjects();
 	}.bind(this))
-	Zotero.Notifier.queue('delete', 'group', this.id);
+	var notifierData = {};
+	notifierData[this.id] = {
+		libraryID: this.libraryID
+	};
+	Zotero.Notifier.queue('delete', 'group', this.id, notifierData);
 });
 
 
diff --git a/test/tests/groupTest.js b/test/tests/groupTest.js
index 18a3c9888..2868f4cc6 100644
--- a/test/tests/groupTest.js
+++ b/test/tests/groupTest.js
@@ -10,6 +10,26 @@ describe("Zotero.Group", function () {
 			}.bind(this));
 			assert.isFalse(Zotero.Groups.exists(id));
 		})
+		
+		it("should provide libraryID in extraData", function* () {
+			var group = yield createGroup();
+			var libraryID = group.libraryID;
+			
+			var deferred = Zotero.Promise.defer();
+			var observerID = Zotero.Notifier.registerObserver({
+				notify: function (event, type, ids, extraData) {
+					deferred.resolve(extraData[ids[0]]);
+				}
+			}, ['group'], "test");
+			try {
+				yield group.eraseTx();
+				let extraData = yield deferred.promise;
+				assert.equal(extraData.libraryID, libraryID);
+			}
+			finally {
+				Zotero.Notifier.unregisterObserver(observerID);
+			}
+		})
 	})
 	
 	describe("#fromJSON()", function () {