diff --git a/main.tex b/main.tex
index 1bdb627..76e336f 100644
--- a/main.tex
+++ b/main.tex
@@ -8,7 +8,7 @@
 \makeindex
 
 % Customization
-\usepackage[utopia]{mathdesign}
+\usepackage[charter]{mathdesign}
 \usepackage{libertine}
 \usepackage{inconsolata}
 \chapterstyle{madsen}