diff --git a/stratum0doc.sty b/stratum0doc.sty
index 511d988cd266c3f3c11388a532a1833ddcfb8f40..edd9d83cff230ce2a8e7ec9420329c4156b2d12a 100644
--- a/stratum0doc.sty
+++ b/stratum0doc.sty
@@ -31,8 +31,9 @@
 \renewcommand{\labelenumi}{(\arabic{enumi})}
 \renewcommand{\labelitemi}{--}
 \renewcommand{\thesection}{%
-    \@sndsectionmark\ \@arabic\c@section
+  \@sndsectionmark\ \@arabic\c@section
 }
+\setcounter{section}{-1} % Hacker fangen ab 0 an zu zählen.
 \makeatother
 
 \RequirePackage{fancyhdr}