diff --git a/themes/zettels/layouts/_default/baseof.html b/themes/zettels/layouts/_default/baseof.html
index 3a71b48..a60341c 100644
--- a/themes/zettels/layouts/_default/baseof.html
+++ b/themes/zettels/layouts/_default/baseof.html
@@ -91,15 +91,18 @@
 	
 <script type="text/javascript">
 
-
-	function renderMath(){        renderMathInElement(document.body, {
+	
+	function renderMath(){
+	const macros = {'\\cancelto': '\\overset{\\phantom{\\normalsize{\\cancel{#2}}}\\hspace{1em}#1}{\\cancel{#2}}'};
+	renderMathInElement(document.body, {
           delimiters: [
               {left: '$$', right: '$$', display: true},
               {left: '$', right: '$', display: false},
               {left: '\\(', right: '\\)', display: false},
               {left: '\\[', right: '\\]', display: true}
           ],
-          throwOnError : false
+          throwOnError : false,
+	  macros : macros
         });
     }
 	//document.addEventListener("DOMContentLoaded", renderMath);