diff --git a/ptbposter/tcb-example2.pdf b/ptbposter/tcb-example2.pdf
index 26be4295aa47b130be19fa8583a8f8fab84accc3..d61fdecbc4f4e65f5531caec67d81d85268da6bb 100644
Binary files a/ptbposter/tcb-example2.pdf and b/ptbposter/tcb-example2.pdf differ
diff --git a/ptbposter/tcb-example2.tex b/ptbposter/tcb-example2.tex
index 2d07afaab2113566c08c028fd235d3e20f6b520f..4fba34dbe94ce89d44b7ecc39c8208bea1522971 100644
--- a/ptbposter/tcb-example2.tex
+++ b/ptbposter/tcb-example2.tex
@@ -41,16 +41,17 @@
     \includegraphics[width=\linewidth]{Ringo.png}
   \end{posterboxenv}
 
-  \tikzset{arrow/.style={draw=PTBcolor,line width=1ex,->,-{Latex[length=4ex]}}}
-
-  \draw[arrow] (TCBPOSTER@John.south) to 
-    [out=-90,in=150] ([yshift=1.5em]TCBPOSTER@Beatles.west);
-  \draw[arrow] (TCBPOSTER@Paul.south) to
-    [out=-90,in=30] ([yshift=1.5em]TCBPOSTER@Beatles.east);  
-  \draw[arrow] (TCBPOSTER@George.north) to
-    [out=90,in=210] ([yshift=-1.5em]TCBPOSTER@Beatles.west);  
-  \draw[arrow] (TCBPOSTER@Ringo.north) to
-    [out=90,in=-30] ([yshift=-1.5em]TCBPOSTER@Beatles.east);  
+  \begin{scope}[PTBcolor,line width=1ex,>={Latex[length=4ex]}]
+    \draw[->,out=-90,in=150] (TCBPOSTER@John.south) to 
+      ([yshift=1.5em]TCBPOSTER@Beatles.west);
+    \draw[->,out=-90,in=30] (TCBPOSTER@Paul.south) to
+      ([yshift=1.5em]TCBPOSTER@Beatles.east);  
+    \draw[->,out=90,in=210] (TCBPOSTER@George.north) to
+      ([yshift=-1.5em]TCBPOSTER@Beatles.west);  
+    \draw[->,out=90,in=-30] (TCBPOSTER@Ringo.north) to
+      ([yshift=-1.5em]TCBPOSTER@Beatles.east); 
+  \end{scope}
+
 \end{document}