diff --git a/ptbposter/ptbposter-2020.clo b/ptbposter/ptbposter-2020.clo
index 70acbd3a31e8517228ff793b9cdb0dd55f0fc6ab..d91d650af9b5207fbf467af8a863be700ec5ef7a 100644
--- a/ptbposter/ptbposter-2020.clo
+++ b/ptbposter/ptbposter-2020.clo
@@ -1,7 +1,7 @@
 % Rolf Niepraschk, Rolf.Niepraschk@ptb.de
 
 \ProvidesFile{ptbposter-2020.clo}%
-  [2022/09/20 1.0.0 PTB-Poster layout 2020 (RN)]
+  [2022/09/20 1.0.1 PTB-Poster layout 2020 (RN)]
 
 \typeout{*** LAYOUT 2020 ***}
 
@@ -122,16 +122,31 @@
         \begin{tabular}[t]{@{}l@{}}
           \@thanks % wurde bei der Ausführung von \@author gefüllt.
         \end{tabular}%
+      }  
+      \PTB@tempdima=\dimexpr\PTB@framewidth+\PTB@framethickness %
+      \PTB@tempdimc=0.038875630234\PTB@scale@base % 131bp (A0)
+      \put(\PTB@tempdima,\PTB@tempdimb+\ht\strutbox){%
+        \makebox(0,0)[rt]{%
+          \begin{minipage}[t]{.5\textwidth}%
+            \mbox{}
+            \hfill  
+            \ifx\PTB@qrcode\@empty\else
+              \begin{minipage}[b]{\PTB@tempdimc}%
+                \sbox\@tempboxa{\qrcode[height=\PTB@tempdimc,tight]%
+                  {\PTB@qrcode}}%
+                \raisebox{\dimexpr\dp\@tempboxa}{\usebox\@tempboxa}%
+              \end{minipage}%
+            \fi
+            \hspace{.5\columnsep}%
+            \ifx\PTB@logo\@empty\else
+              \begin{minipage}[b]{\PTB@tempdimc}%
+                \centering
+                \includegraphics[height=\PTB@tempdimc]{\PTB@logo}%
+              \end{minipage}%
+            \fi 
+          \end{minipage}% 
+        }%
       }
-      \ifx\PTB@logo\@empty\else
-        \PTB@tempdimc=0.038875630234\PTB@scale@base% 131bp (A0)
-        \PTB@tempdima=\dimexpr\PTB@framewidth-\PTB@tempdimc+\PTB@framethickness
-        \sbox\PTB@tempboxa{\includegraphics[width=\PTB@tempdimc]{\PTB@logo}}% 
-        \put(\PTB@tempdima,\PTB@tempdimb+\ht\strutbox){%
-          \raisebox{-\ht\PTB@tempboxa}[0pt]%
-            [\dimexpr\ht\PTB@tempboxa+\dp\PTB@tempboxa]{\usebox\PTB@tempboxa}%
-        }
-      \fi
     }
   }
 }
diff --git a/ptbposter/ptbposter-doc-1.pdf b/ptbposter/ptbposter-doc-1.pdf
index f13792712f174fbeaf309ce32992c34647a39f0d..80b46b3763f5f4b6d9c63ef5df2e11038c50b39d 100644
Binary files a/ptbposter/ptbposter-doc-1.pdf and b/ptbposter/ptbposter-doc-1.pdf differ
diff --git a/ptbposter/ptbposter-doc-2.pdf b/ptbposter/ptbposter-doc-2.pdf
index 65be024d86d4761df5892e26b4992dfb66d35617..47df252d680edc79b93d556249859db95b9cf51c 100644
Binary files a/ptbposter/ptbposter-doc-2.pdf and b/ptbposter/ptbposter-doc-2.pdf differ
diff --git a/ptbposter/ptbposter-doc-2.tex b/ptbposter/ptbposter-doc-2.tex
index b1a51acac9ac53fa1136684d2d36447c40ac31d7..9bc4477a03ac5c84f7ae89444bc2ea18b5249d4b 100644
--- a/ptbposter/ptbposter-doc-2.tex
+++ b/ptbposter/ptbposter-doc-2.tex
@@ -3,8 +3,8 @@
 ,landscape
 %,english
 %,a4paper
-,layout2018
-%,layout2020
+%,layout2018
+,layout2020
 ]{ptbposter}
 
 \phone{+49-30-3481-7316}
@@ -14,7 +14,6 @@
 \department{7.5 Wärme und Vakuum}
 \location{10587 Berlin}
 \street{Abbestraße 2--12}
-\QRcode{http://www.ptb.de/cms/fachabteilungen/abt7/fb-75/ag-754.html}
 
 \Author{Rolf}{Niepraschk}[Physikalisch-Technische Bundesanstalt]
 \Author*{Max}{Mustermann}
@@ -22,6 +21,7 @@
 \Author*{Peter}{Silie}[XYZ GmbH]
 
 \logo{penguin.pdf}
+\QRcode{https://www.ctan.org/}
 
 %%\scaleFontSizes{1.05}%     Werte nahe an "1" wählen!