diff --git a/src/dotnetCampus.Logger/LoggerInterpolatedStringHandler.g.cs b/src/dotnetCampus.Logger/LoggerInterpolatedStringHandler.g.cs
index a3fc9ed..92b1dd5 100644
--- a/src/dotnetCampus.Logger/LoggerInterpolatedStringHandler.g.cs
+++ b/src/dotnetCampus.Logger/LoggerInterpolatedStringHandler.g.cs
@@ -1,6 +1,5 @@
-using System.Runtime.CompilerServices;
-
-#if NET6_0_OR_GREATER
+#if NET6_0_OR_GREATER
+using global::System.Runtime.CompilerServices;
 
 namespace dotnetCampus.Logging;
 
@@ -18,7 +17,7 @@ public LoggerInterpolatedStringHandler(int literalLength, int formattedCount)
 
     public void AppendFormatted<T>(T value) => _handler.AppendFormatted(value);
 
-    public void AppendFormatted<T>(T value, string? format) => _handler.AppendFormatted(value, format);
+    public void AppendFormatted<T>(T value, string format) => _handler.AppendFormatted(value, format);
 
     public string ToStringAndClear() => _handler.ToStringAndClear();
 
@@ -35,4 +34,4 @@ public void Discard()
     }
 }
 
-#endif
+#endif
\ No newline at end of file