From c22b6ae68a15778d9e75584be5141fc18e429fb5 Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Sat, 28 Mar 2020 23:50:30 -0400
Subject: [PATCH] Fix crash dragging open tag selector if closed at startup

---
 chrome/content/zotero/zoteroPane.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/chrome/content/zotero/zoteroPane.js b/chrome/content/zotero/zoteroPane.js
index f48b426705..145bb4a99d 100644
--- a/chrome/content/zotero/zoteroPane.js
+++ b/chrome/content/zotero/zoteroPane.js
@@ -1061,6 +1061,11 @@ var ZoteroPane = new function()
 	
 	this.handleTagSelectorResize = Zotero.Utilities.debounce(function() {
 		if (this.tagSelectorShown()) {
+			// Initialize if dragging open after startup
+			if (!this.tagSelector) {
+				this.initTagSelector();
+				this.setTagScope();
+			}
 			this.tagSelector.handleResize();
 		}
 	}, 100);