diff --git a/SpineViewer/App.xaml.cs b/SpineViewer/App.xaml.cs
index 359deba..af068ba 100644
--- a/SpineViewer/App.xaml.cs
+++ b/SpineViewer/App.xaml.cs
@@ -84,12 +84,13 @@ namespace SpineViewer
             var fileTarget = new NLog.Targets.FileTarget("fileTarget")
             {
                 Encoding = System.Text.Encoding.UTF8,
+                Layout = "${date:format=yyyy-MM-dd HH\\:mm\\:ss} - ${level:uppercase=true} - ${processid} - ${callsite-filename:includeSourcePath=false}:${callsite-linenumber} - ${message}",
+                AutoFlush = true,
                 FileName = "${basedir}/logs/app.log",
                 ArchiveFileName = "${basedir}/logs/app.{#}.log",
                 ArchiveNumbering = NLog.Targets.ArchiveNumberingMode.Rolling,
                 ArchiveAboveSize = 1048576,
                 MaxArchiveFiles = 5,
-                Layout = "${date:format=yyyy-MM-dd HH\\:mm\\:ss} - ${level:uppercase=true} - ${processid} - ${callsite-filename:includeSourcePath=false}:${callsite-linenumber} - ${message}",
                 ConcurrentWrites = true,
                 KeepFileOpen = false,
             };
diff --git a/SpineViewer/Views/MainWindow.xaml.cs b/SpineViewer/Views/MainWindow.xaml.cs
index 3d2fd34..ce801e9 100644
--- a/SpineViewer/Views/MainWindow.xaml.cs
+++ b/SpineViewer/Views/MainWindow.xaml.cs
@@ -120,11 +120,11 @@ public partial class MainWindow : Window
         var rtbTarget = new NLog.Windows.Wpf.RichTextBoxTarget
         {
             Name = "rtbTarget",
+            Layout = "[${level:format=OneLetter}]${date:format=yyyy-MM-dd HH\\:mm\\:ss} - ${message}",
             WindowName = _mainWindow.Name,
             ControlName = _loggerRichTextBox.Name,
             AutoScroll = true,
             MaxLines = 3000,
-            Layout = "[${level:format=OneLetter}]${date:format=yyyy-MM-dd HH\\:mm\\:ss} - ${message}",
         };
 
         rtbTarget.WordColoringRules.Add(new("[D]", "Gray", "Empty"));