diff --git a/chrome/content/zotero/xpcom/data/collection.js b/chrome/content/zotero/xpcom/data/collection.js
index 8c4e11718b..1060128766 100644
--- a/chrome/content/zotero/xpcom/data/collection.js
+++ b/chrome/content/zotero/xpcom/data/collection.js
@@ -326,7 +326,7 @@ Zotero.Collection.prototype._saveData = Zotero.Promise.coroutine(function* (env)
 		}
 		// Remove this from the previous parent's cached collection lists after commit,
 		// if the parent was loaded
-		else if (!isNew && this._previousData.parentKey) {
+		if (!isNew && this._previousData.parentKey) {
 			let parentCollectionID = this.ObjectsClass.getIDFromLibraryAndKey(
 				this.libraryID, this._previousData.parentKey
 			);
diff --git a/test/tests/collectionTest.js b/test/tests/collectionTest.js
index a4ea2cde88..ca7ef3d7cb 100644
--- a/test/tests/collectionTest.js
+++ b/test/tests/collectionTest.js
@@ -98,6 +98,29 @@ describe("Zotero.Collection", function() {
 		});
 	})
 	
+	describe("#hasChildCollections()", function () {
+		it("should be false if child made top-level", function* () {
+			var collection1 = yield createDataObject('collection');
+			var collection2 = yield createDataObject('collection', { parentID: collection1.id });
+			
+			assert.isTrue(collection1.hasChildCollections());
+			collection2.parentKey = false;
+			yield collection2.saveTx();
+			assert.isFalse(collection1.hasChildCollections());
+		})
+		
+		it("should be false if child moved to another collection", function* () {
+			var collection1 = yield createDataObject('collection');
+			var collection2 = yield createDataObject('collection', { parentID: collection1.id });
+			var collection3 = yield createDataObject('collection');
+			
+			assert.isTrue(collection1.hasChildCollections());
+			collection2.parentKey = collection3.key;
+			yield collection2.saveTx();
+			assert.isFalse(collection1.hasChildCollections());
+		})
+	})
+	
 	describe("#getChildCollections()", function () {
 		it("should include child collections", function* () {
 			var collection1 = yield createDataObject('collection');