From 8568f7a0fb870a5cc532161d6717305c255e03c6 Mon Sep 17 00:00:00 2001
From: Chocobo1 <Chocobo1@users.noreply.github.com>
Date: Wed, 21 Oct 2020 18:02:01 +0800
Subject: [PATCH] Avoid settings being reset via WebAPI

Closes #13585.
---
 src/webui/api/appcontroller.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/webui/api/appcontroller.cpp b/src/webui/api/appcontroller.cpp
index 5967d26d9..a750337c7 100644
--- a/src/webui/api/appcontroller.cpp
+++ b/src/webui/api/appcontroller.cpp
@@ -570,8 +570,10 @@ void AppController::setPreferencesAction()
     if (hasKey("max_ratio_act"))
         session->setMaxRatioAction(static_cast<MaxRatioAction>(it.value().toInt()));
     // Add trackers
-    session->setAddTrackersEnabled(m["add_trackers_enabled"].toBool());
-    session->setAdditionalTrackers(m["add_trackers"].toString());
+    if (hasKey("add_trackers_enabled"))
+        session->setAddTrackersEnabled(it.value().toBool());
+    if (hasKey("add_trackers"))
+        session->setAdditionalTrackers(it.value().toString());
 
     // Web UI
     // Language