From 8a60658af7a077bf6ab705c0877abff2092036a6 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 15 May 2017 11:17:59 +0300
Subject: [PATCH] Fix crash in calls panel closing.

---
 Telegram/SourceFiles/calls/calls_panel.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/calls/calls_panel.cpp b/Telegram/SourceFiles/calls/calls_panel.cpp
index b167fd02a..8d4887ee0 100644
--- a/Telegram/SourceFiles/calls/calls_panel.cpp
+++ b/Telegram/SourceFiles/calls/calls_panel.cpp
@@ -646,7 +646,9 @@ void Panel::paintEvent(QPaintEvent *e) {
 }
 
 void Panel::closeEvent(QCloseEvent *e) {
-	_call->hangup();
+	if (_call) {
+		_call->hangup();
+	}
 }
 
 void Panel::mousePressEvent(QMouseEvent *e) {