diff --git a/ptbletter/ptbletter-doc.pdf b/ptbletter/ptbletter-doc.pdf
index cea3961fbad69d3bb668bccb54bc80575f1437a7..d7552bc16c57ea8934431dd8e91dc896d54d0d15 100644
Binary files a/ptbletter/ptbletter-doc.pdf and b/ptbletter/ptbletter-doc.pdf differ
diff --git a/ptbletter/ptbletter.cls b/ptbletter/ptbletter.cls
index 2641d882e0ec3779469eeda6c3adbce17113841f..6135c4de08321514d6bfde24af793319695ca9f8 100644
--- a/ptbletter/ptbletter.cls
+++ b/ptbletter/ptbletter.cls
@@ -3,7 +3,7 @@
 \setcounter{errorcontextlines}{100}  \listfiles
 
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
-\ProvidesClass{ptbletter}[2018/01/17 v0.3a PTB-Brief-Klasse (RN)]
+\ProvidesClass{ptbletter}[2018/06/13 v0.3b PTB-Brief-Klasse (RN)]
 
 \let\ptb@tempdima=\@ovxx
 \let\ptb@tempdimb=\@ovyy
@@ -62,6 +62,8 @@
 \ExecuteOptions{pagesize}
 \ProcessOptions\relax
 
+\PassOptionsToPackage{usegeometry=true}{typearea}
+
 \LoadClass[%
 ,fontsize=11pt
 ,DINmtext
@@ -72,9 +74,16 @@
 ,parskip=never
 ]{scrlttr2}
 
+\RequirePackage[%
+,verbose
+,left=0.0pt
+,textwidth=165mm
+]{geometry}
+
 % Texbreite beibehalten, linken Rand anpassen
 \oddsidemargin=0.0pt %
-\evensidemargin=34.7124pt %
+%\evensidemargin=34.7124pt %
+\evensidemargin=0pt %
 \raggedbottom
 
 \RequirePackage{hyphsubst}% Trennregeln austauschen
@@ -181,7 +190,8 @@
       }
       \put(0,-5bp) {%
         \linethickness{1bp}%
-        \textcolor{PTBcolor}{\line(1,0){\linewidth}}%
+        %\textcolor{PTBcolor}{\line(1,0){\linewidth}}%
+        \textcolor{PTBcolor}{\line(1,0){494bp}}%
       }
     \end{picture}
   \or% 2