From 5e5785435ab17f72d6cc87e70f926b2adac6eab1 Mon Sep 17 00:00:00 2001
From: sledgehammer999 <hammered999@gmail.com>
Date: Fri, 18 Mar 2016 01:52:43 +0200
Subject: [PATCH] Potential fix for crash. Closes #4607.

---
 src/gui/transferlistfilterswidget.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/gui/transferlistfilterswidget.cpp b/src/gui/transferlistfilterswidget.cpp
index 1453d6311..5beb201bc 100644
--- a/src/gui/transferlistfilterswidget.cpp
+++ b/src/gui/transferlistfilterswidget.cpp
@@ -460,10 +460,13 @@ void TrackerFiltersList::addItem(const QString &tracker, const QString &hash)
         if (tmp.contains(hash))
             return;
 
-        if (host != "")
+        if (host != "") {
             trackerItem = item(rowFromTracker(host));
-        else
+            if (!trackerItem) return;
+        }
+        else {
             trackerItem = item(1);
+        }
     }
     else {
         trackerItem = new QListWidgetItem();