From 0537a2b82ac08bda9230b9c7181b2764df44247a Mon Sep 17 00:00:00 2001
From: Hongtao Zhang <hongtao_zhang@outlook.com>
Date: Sat, 14 May 2022 21:10:43 -0500
Subject: [PATCH] fix RemoveOldQueryResults NullPointerException

---
 Flow.Launcher/ViewModel/MainViewModel.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Flow.Launcher/ViewModel/MainViewModel.cs b/Flow.Launcher/ViewModel/MainViewModel.cs
index 0fe3bdf8052..664a5eb19dc 100644
--- a/Flow.Launcher/ViewModel/MainViewModel.cs
+++ b/Flow.Launcher/ViewModel/MainViewModel.cs
@@ -661,7 +661,7 @@ async Task QueryTask(PluginPair plugin)
 
         private void RemoveOldQueryResults(Query query)
         {
-            if (_lastQuery.ActionKeyword != query.ActionKeyword)
+            if (_lastQuery?.ActionKeyword != query?.ActionKeyword)
             {
                 Results.Clear();
             }