From 46feccfa9d5f0495c6cc0be6c4d07f173543a47f Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Tue, 22 Jan 2019 02:29:55 +1100
Subject: [PATCH] fixed thread desync when exporting

---
 io/exportthread.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/io/exportthread.cpp b/io/exportthread.cpp
index 5e4f1a34e..f6b6dc134 100644
--- a/io/exportthread.cpp
+++ b/io/exportthread.cpp
@@ -489,5 +489,7 @@ void ExportThread::run() {
 }
 
 void ExportThread::wake() {
+    mutex.lock();
 	waitCond.wakeAll();
+    mutex.unlock();
 }