diff --git a/ptbletter/ptbletter.cls b/ptbletter/ptbletter.cls
index eea6991a2f569f59147bda724727744be341106d..327ffa3c440d6c913d9b8c894e9a045e2f3346b7 100644
--- a/ptbletter/ptbletter.cls
+++ b/ptbletter/ptbletter.cls
@@ -3,7 +3,7 @@
 \setcounter{errorcontextlines}{100}  \listfiles
 
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
-\ProvidesClass{ptbletter}[2020/12/09 v0.4a PTB-Brief-Klasse (RN)]
+\ProvidesClass{ptbletter}[2021/06/04 v0.4b PTB-Brief-Klasse (RN)]
 
 \let\ptb@tempdima=\@ovxx
 \let\ptb@tempdimb=\@ovyy
@@ -56,7 +56,7 @@
   }
 }
 
-\DeclareOption*{\PassOptionsToClass{\CurrentOption}{scrlttr2}}
+%\DeclareOption*{\PassOptionsToClass{\CurrentOption}{scrlttr2}}
 
 \ExecuteOptions{pagesize}
 \ProcessOptions\relax