diff --git a/lbol.tex b/lbol.tex
index 2ebb967..76224ba 100644
--- a/lbol.tex
+++ b/lbol.tex
@@ -1,4 +1,5 @@
-\documentclass[twoside]{report}
+\documentclass[twoside, 9pt]{extreport}
+\usepackage{extsizes}
 \usepackage[utf8]{inputenc}
 \usepackage{amsmath}
 \usepackage{amssymb}