diff --git a/dekker_thesis.tex b/dekker_thesis.tex
index 82745a1..4d79882 100644
--- a/dekker_thesis.tex
+++ b/dekker_thesis.tex
@@ -2,7 +2,7 @@
 % TODO: book format
 % paper=210mm:148mm,
 % DIV=calc,
-a4paper
+a4paper,
 listof=totoc,
 toc=bib,
 ]{scrbook}