From 1a42d396de1328a510d5131386df2ef2dc1cb531 Mon Sep 17 00:00:00 2001
From: heckflosse <heckflosse67@gmx.de>
Date: Mon, 22 Oct 2018 17:37:03 +0200
Subject: [PATCH] Crash when stopping output queue, fixes #4882

---
 rtgui/batchqueuepanel.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtgui/batchqueuepanel.cc b/rtgui/batchqueuepanel.cc
index b698ee9d6..bc03c2386 100644
--- a/rtgui/batchqueuepanel.cc
+++ b/rtgui/batchqueuepanel.cc
@@ -322,7 +322,7 @@ void BatchQueuePanel::addBatchQueueJobs(const std::vector<BatchQueueEntry*>& ent
 
 bool BatchQueuePanel::canStartNext ()
 {
-
+    GThreadLock lock;
     if (qStartStop->get_active()) {
         return true;
     } else {