From 27a978cba5904e1c3a50f4d48312f8d6e8757396 Mon Sep 17 00:00:00 2001
From: Yurong He <43652751+YurongHe@users.noreply.github.com>
Date: Tue, 4 Dec 2018 09:41:31 -0800
Subject: [PATCH] Fixed #3387 (#3401)

---
 src/sql/parts/notebook/notebookActions.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/sql/parts/notebook/notebookActions.ts b/src/sql/parts/notebook/notebookActions.ts
index 4639947d25..d5b8f861e8 100644
--- a/src/sql/parts/notebook/notebookActions.ts
+++ b/src/sql/parts/notebook/notebookActions.ts
@@ -314,6 +314,7 @@ export class AttachToDropdown extends SelectBox {
 				attachToConnections = attachToConnections.filter(val => val !== msgSelectConnection);
 
 				let index = attachToConnections.findIndex((connection => connection === connectedServer));
+				this.setOptions([]);
 				this.setOptions(attachToConnections);
 				if (!index || index < 0 || index >= attachToConnections.length) {
 					index = 0;