diff --git a/src/public/app/components/tab_manager.js b/src/public/app/components/tab_manager.js
index 7a7b2f2cf..46a0f9d96 100644
--- a/src/public/app/components/tab_manager.js
+++ b/src/public/app/components/tab_manager.js
@@ -248,7 +248,7 @@ export default class TabManager extends Component {
         await noteContext.setEmpty();
     }
 
-    async openEmptyTab(ntxId = null, hoistedNoteId = "root", mainNtxId = null) {
+    async openEmptyTab(ntxId = null, hoistedNoteId = "root", mainNtxId) {
         const noteContext = new NoteContext(ntxId, hoistedNoteId, mainNtxId);
 
         const existingNoteContext = this.children.find((nc) => nc.ntxId === noteContext.ntxId);