diff --git a/ptbposter/ptbposter.cls b/ptbposter/ptbposter.cls
index 05c807d041eabf0ed5ad82e57fce80d675adf74c..9c0aa184886fed812c87b0478a2cfaec1d23971a 100644
--- a/ptbposter/ptbposter.cls
+++ b/ptbposter/ptbposter.cls
@@ -172,13 +172,11 @@
   \the\PTB@default@ffsize}{\the\dimexpr1.2\PTB@default@ffsize}}
   
 \newcommand*\scaleFont[1]{%
-  \PTB@tempdima=\f@size pt %
-  \PTB@tempdima=#1\PTB@tempdima
-  \PTB@tempdimb=\f@baselineskip 
-  \PTB@tempdimb=#1\PTB@tempdimb
+  \PTB@tempdima=\f@size pt \PTB@tempdima=#1\PTB@tempdima
+  \PTB@tempdimb=\f@baselineskip \PTB@tempdimb=#1\PTB@tempdimb
   \edef\f@size{\strip@pt\PTB@tempdima}%
   \edef\f@baselineskip{\the\PTB@tempdimb}%
-  \fontsize{\f@size}{\f@baselineskip}
+  \fontsize{\f@size}{\f@baselineskip}%
   \selectfont
 }