diff --git a/ptbposter/ptbposter.cls b/ptbposter/ptbposter.cls
index cb78f74008506e79f0185942e24ea917f4636ed2..6d1d608bb4f679d92d0650f85649871f7170e704 100644
--- a/ptbposter/ptbposter.cls
+++ b/ptbposter/ptbposter.cls
@@ -4,7 +4,7 @@
 
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
 \ProvidesClass{ptbposter}
-    [2015/05/11 v0.3e PTB-Poster-Klasse (RN)]
+    [2016/01/19 v0.3f PTB-Poster-Klasse (RN)]
 
 \newdimen\PTB@topmargin      % Abstand zum Rahmen
 \newdimen\PTB@leftmargin     % Abstand zum Rahmen
@@ -143,7 +143,6 @@
 \setlength\PTB@default@afsize{0.0157550946737\PTB@scale@base}%   53.3pt bei A0
 \setlength\PTB@default@tfsize{0.0315101893474\PTB@scale@base}%  106.6pt bei A0
 \setlength\PTB@default@ffsize{0.00567538119577\PTB@scale@base}%  19.2pt bei A0
-\setlength\PTB@topmargin{0.180824222418\PTB@scale@base}%  612pt (215mm) bei A0
 
 \newcommand*\scaleFontSizes[1]{%
   \global\PTB@default@fsize=#1\PTB@default@fsize@base
@@ -404,12 +403,25 @@
   \KOMAoptions{headings=normal,parskip=half} \normalsize
   \setlength\PTB@texthsep{.5em}%
   \setlength\PTB@textvsep{.75em}%
+  \ifx\@author\@empty
+    \setlength\PTB@topmargin{0.16\PTB@scale@base}%
+  \else
+    \setlength\PTB@topmargin{0.180824222418\PTB@scale@base}%
+  \fi
   \ifPTB@landscape
     \setlength\PTB@framewidth{0.950378471315\PTB@scale@base}%  3215pt (1130mm) bei A0
-    \setlength\PTB@frameheight{0.462573592233\PTB@scale@base}% 1565pt  (550mm) bei A0
+    \ifx\@author\@empty
+      \setlength\PTB@frameheight{0.483397814651\PTB@scale@base}% 1565pt  (550mm) bei A0
+    \else
+      \setlength\PTB@frameheight{0.462573592233\PTB@scale@base}% 1565pt  (550mm) bei A0
+    \fi
   \else
     \setlength\PTB@framewidth{0.656013458076\PTB@scale@base}%  2219pt  (780mm) bei A0
-    \setlength\PTB@frameheight{0.740117747573\PTB@scale@base}% 2504pt  (880mm) bei A0
+    \ifx\@author\@empty
+      \setlength\PTB@frameheight{0.760941969991\PTB@scale@base}% 2504pt  (880mm) bei A0
+    \else
+      \setlength\PTB@frameheight{0.740117747573\PTB@scale@base}% 2504pt  (880mm) bei A0
+    \fi
   \fi
   \setlength\PTB@leftmargin{0.5\dimexpr\paperwidth-\PTB@framewidth}%
   \edef\PTB@tempa{%