diff --git a/extensions/mathjax/renderer.go b/extensions/mathjax/renderer.go
index 71d103eb..5d355bd2 100644
--- a/extensions/mathjax/renderer.go
+++ b/extensions/mathjax/renderer.go
@@ -17,6 +17,7 @@ const script = `<script async src="/js/mathjax.js"></script>`
 
 func init() {
 	RegisterStaticDir(js)
+	RegisterBuildPage("/js/mathjax.js", false)
 	MarkDownRenderer.Renderer().AddOptions(renderer.WithNodeRenderers(
 		util.Prioritized(&InlineMathRenderer{startDelim: `\(`, endDelim: `\)`}, 0),
 		util.Prioritized(&MathBlockRenderer{startDelim: `\[`, endDelim: `\]`}, 0),