diff --git a/booklet.tex b/booklet.tex
index 3b04a28f991e0450fcea286cb95d6301dce04266..e4e0f493555dfaf1ed87eb058993fede8724716f 100644
--- a/booklet.tex
+++ b/booklet.tex
@@ -1,4 +1,4 @@
-\documentclass[landscape]{book}
+\documentclass[a4paper,landscape]{book}
 
 \usepackage{config/bind}