diff --git a/SubtitleEdit.sln.DotSettings b/SubtitleEdit.sln.DotSettings
index 05bf0fa48..b49c68f42 100644
--- a/SubtitleEdit.sln.DotSettings
+++ b/SubtitleEdit.sln.DotSettings
@@ -42,6 +42,7 @@
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Nuendo/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Ollama/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Purfview/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=Spectrograms/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Stbl/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Tahoma/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Tesseract/@EntryIndexedValue">True</s:Boolean>
diff --git a/src/libse/Common/Configuration.cs b/src/libse/Common/Configuration.cs
index 346ce6269..47cd537b9 100644
--- a/src/libse/Common/Configuration.cs
+++ b/src/libse/Common/Configuration.cs
@@ -13,7 +13,7 @@ namespace Nikse.SubtitleEdit.Core.Common
     {
         private static readonly Lazy<Configuration> Instance = new Lazy<Configuration>(() => new Configuration());
 
-        private readonly Lazy<Settings.Settings> _settings;
+        private Lazy<Settings.Settings> _settings;
         private readonly IEnumerable<Encoding> _encodings;
 
         public static readonly string BaseDirectory = GetBaseDirectory();
@@ -62,6 +62,11 @@ namespace Nikse.SubtitleEdit.Core.Common
             _settings = new Lazy<Settings.Settings>(Core.Settings.Settings.GetSettings);
         }
 
+        public void SetSettings(Settings.Settings settings)
+        {
+            _settings = new Lazy<Settings.Settings>(() => settings);
+        }
+
         private const int PlatformWindows = 1;
         private const int PlatformLinux = 2;
         private const int PlatformMac = 3;
@@ -294,6 +299,5 @@ namespace Nikse.SubtitleEdit.Core.Common
 
             return encodings.AsEnumerable();
         }
-
     }
 }
diff --git a/src/libse/Settings/Settings.cs b/src/libse/Settings/Settings.cs
index 04a403466..f191d55b3 100644
--- a/src/libse/Settings/Settings.cs
+++ b/src/libse/Settings/Settings.cs
@@ -198,7 +198,7 @@ namespace Nikse.SubtitleEdit.Core.Settings
         /// </summary>
         /// <param name="fileName">File name of xml settings file to load</param>
         /// <returns>Newly loaded settings</returns>
-        private static Settings CustomDeserialize(string fileName)
+        public static Settings CustomDeserialize(string fileName)
         {
             var doc = new XmlDocument { PreserveWhitespace = true };
             using (var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))