diff --git a/src/config.tex b/src/config.tex
index 278e139aabd62be673a81d1a48fcab330ca92ed3..b2c70f746fe3448e1a4e8012228868eff45af0d1 100644
--- a/src/config.tex
+++ b/src/config.tex
@@ -59,6 +59,7 @@
 	}
 }{}%
 \@ifpackageloaded{enumitem}{
+	\usepackage{amssymb}
 	\newlist{checklist}{itemize}{2}
 	\setlist[checklist]{label=$\square$}
 }{}%