diff --git a/GlaxLogger/GlaxLogger.csproj b/GlaxLogger/GlaxLogger.csproj
index 01f0924..57ce128 100644
--- a/GlaxLogger/GlaxLogger.csproj
+++ b/GlaxLogger/GlaxLogger.csproj
@@ -7,7 +7,7 @@
         <Authors>Glax</Authors>
         <RepositoryUrl>https://git.bernloehr.eu/glax/GlaxLogger</RepositoryUrl>
         <RepositoryType>git</RepositoryType>
-        <Version>1.0.1</Version>
+        <Version>1.0.2</Version>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/GlaxLogger/Logger.cs b/GlaxLogger/Logger.cs
index 7ffc9c7..fcb9ba2 100644
--- a/GlaxLogger/Logger.cs
+++ b/GlaxLogger/Logger.cs
@@ -15,8 +15,8 @@ public class Logger : ILogger
     {
         this._filterLevel = filteredLevel;
         string logFolderPath = outputFolderPath ?? Environment.CurrentDirectory;
-        this._filteredLogfile = new FileStream(Path.Join(logFolderPath, $"{DateTime.Now:hh:mm:ss}-filtered.log"), FileMode.Create, FileAccess.Write, FileShare.Read); 
-        this._allMessageLogfile = new FileStream(Path.Join(logFolderPath, $"{DateTime.Now:hh:mm:ss}.log"), FileMode.Create, FileAccess.Write, FileShare.Read); 
+        this._filteredLogfile = new FileStream(Path.Join(logFolderPath, $"{DateTime.Now:yyyy-MM-dd hh.mm.ss}-filtered.log"), FileMode.Create, FileAccess.Write, FileShare.Read); 
+        this._allMessageLogfile = new FileStream(Path.Join(logFolderPath, $"{DateTime.Now:yyyy-MM-dd hh.mm.ss}.log"), FileMode.Create, FileAccess.Write, FileShare.Read); 
     }
     
     public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception? exception, Func<TState, Exception?, string> formatter)