From fe2bb7c0cf676cb2476196034986f65478aea4b5 Mon Sep 17 00:00:00 2001
From: Marco H <myxor@users.noreply.github.com>
Date: Thu, 19 Jan 2023 13:54:46 +0100
Subject: [PATCH] Fix potential NPE

---
 loader.js | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/loader.js b/loader.js
index 2aaad0350..414aa99d1 100644
--- a/loader.js
+++ b/loader.js
@@ -249,23 +249,27 @@ window.addEventListener('load', (event) => {
 
   // BLE Compatibility
   var selectBLECompat = document.getElementById("settings-ble-compat");
-  Puck.increaseMTU = !SETTINGS.bleCompat;
-  selectBLECompat.checked = !!SETTINGS.bleCompat;
-  selectBLECompat.addEventListener("change",event=>{
-    console.log("BLE compatibility mode "+(event.target.checked?"on":"off"));
-    SETTINGS.bleCompat = event.target.checked;
+  if (selectBLECompat) {
     Puck.increaseMTU = !SETTINGS.bleCompat;
-    saveSettings();
-  });
+    selectBLECompat.checked = !!SETTINGS.bleCompat;
+    selectBLECompat.addEventListener("change",event=>{
+      console.log("BLE compatibility mode "+(event.target.checked?"on":"off"));
+      SETTINGS.bleCompat = event.target.checked;
+      Puck.increaseMTU = !SETTINGS.bleCompat;
+      saveSettings();
+    });
+  }
 
   // Sending usage stats
   var selectUsageStats = document.getElementById("settings-usage-stats");
-  selectUsageStats.checked = !!SETTINGS.sendUsageStats;
-  selectUsageStats.addEventListener("change",event=>{
-    console.log("Send Usage Stats "+(event.target.checked?"on":"off"));
-    SETTINGS.sendUsageStats = event.target.checked;
-    saveSettings();
-  });
+  if (selectUsageStats) {
+    selectUsageStats.checked = !!SETTINGS.sendUsageStats;
+    selectUsageStats.addEventListener("change",event=>{
+      console.log("Send Usage Stats "+(event.target.checked?"on":"off"));
+      SETTINGS.sendUsageStats = event.target.checked;
+      saveSettings();
+    });
+  }
 
   // Load language list
   httpGet("lang/index.json").then(languagesJSON=>{