diff --git a/ptbposter/ptbposter.cls b/ptbposter/ptbposter.cls
index 641f1b23f5c92bcf8a0bf43ad46c9b611d9f806c..e959e317c2f88faa9317ec057853a031f7b50ca8 100644
--- a/ptbposter/ptbposter.cls
+++ b/ptbposter/ptbposter.cls
@@ -159,7 +159,7 @@
 \newcommand*\scaleTitleFontSize[1]{%
   \PTB@tempdima=\PTB@default@tfsize
   \PTB@tempdima=#1\PTB@tempdima
-  \PTB@tempdimb=1.2\PTB@tempdima
+  \PTB@tempdimb=1.14\PTB@tempdima
   \xdef\titleFontSize{\noexpand\@setfontsize
     \noexpand\titleFontSize{\the\PTB@tempdima}{\the\PTB@tempdimb}}%
 }
@@ -260,24 +260,27 @@
     }%
   }%
   \begingroup
-  \@tempcnta=\@ne \@tempcntb=1279 %
-  \loop\ifnum\@tempcnta<7 % Finden der ersten passenden titleFontSize
-    \multiply\@tempcntb 10000 \divide\@tempcntb by 12800 %
-    \scaleTitleFontSize{0.\the\@tempcntb}% 1:0.999, 2:0.78, 3:0.61, ...
+  \@tempcnta=\@ne \@tempcntb=10499 %
+  \loop\ifnum\@tempcnta<25 % Finden der ersten passenden titleFontSize
+    \multiply\@tempcntb 10000 \divide\@tempcntb by 10500 % jeweils um 5% kleiner
+    \scaleTitleFontSize{0.\the\@tempcntb}% 1:0.9999, 2:0.9522, 3:0.9068, ...
+    %\typeout{\the\@tempcnta\space XXX: \titleFontSize, 0.\the\@tempcntb}%
+    %%% \hyphenpenalty=10000 % keine Trennung
     \setbox\z@ \hbox{\parbox[c]{\PTB@framewidth}{%
-      \sffamily\titleFontSize\@title}}%
+      \microtypesetup{protrusion=false}\sffamily\titleFontSize\@title}}%
     \ifdim\dimexpr\ht\z@+\dp\z@>\PTB@maxtitleheight
-      \advance\@tempcnta\@ne % zu gross; weiter
+      \advance\@tempcnta\@ne % weiter, wenn zu gross
     \else
-      \@tempcnta=99 % Abbruch
+      \@tempcnta=999 % Abbruch
     \fi
   \repeat
   \endgroup
   \PTB@tempdima=-0.127\PTB@scale@base
+  %%% \hyphenpenalty=10000 % keine Trennung
   \put(\PTB@leftmargin,\PTB@tempdima){\parbox[c]{\PTB@framewidth}{%
     \microtypesetup{protrusion=false}\sffamily\titleFontSize\@title}%
   }%
-  \PTB@tempdima=-0.17\PTB@scale@base
+  \PTB@tempdima=-0.172\PTB@scale@base
   \def\and{, }%
   \put(\PTB@leftmargin,\PTB@tempdima){\parbox[b]{\PTB@framewidth}{%
     \sffamily\authorFontSize\@author}}%
@@ -457,7 +460,7 @@
   \KOMAoptions{headings=normal,parskip=half} \normalsize
   \setlength\PTB@texthsep{.75em}%
   \setlength\PTB@textvsep{.75em}%
-  \setlength\PTB@maxtitleheight{0.059\PTB@scale@base}% HUGO
+  \setlength\PTB@maxtitleheight{0.057\PTB@scale@base}% HUGO
   \ifx\@author\@empty
     \setlength\PTB@topmargin{0.152\PTB@scale@base}%
   \else