diff --git a/default.latex b/default.latex
index 2105e4bea..e2eb58a79 100644
--- a/default.latex
+++ b/default.latex
@@ -102,6 +102,7 @@ $endif$
 \setlength{\parskip}{6pt plus 2pt minus 1pt}
 \setlength{\emergencystretch}{3em}  % prevent overfull lines
 $if(numbersections)$
+\setcounter{secnumdepth}{5}
 $else$
 \setcounter{secnumdepth}{0}
 $endif$