diff --git a/snippets/tex.snippets b/snippets/tex.snippets
index fdbf83b..57f931b 100644
--- a/snippets/tex.snippets
+++ b/snippets/tex.snippets
@@ -155,7 +155,7 @@ snippet fig
 	\end{figure}
 #math
 snippet frac
-	\frac{$1}{$2}
+	\frac{${1}}{${2}}
 snippet sum
 	$\sum^{${1:n}}_{${2:i=1}}{$3}$
 #cite