diff --git a/layout/_widget/mathjax.ejs b/layout/_widget/mathjax.ejs
index 080bc76a5..d02641a7d 100644
--- a/layout/_widget/mathjax.ejs
+++ b/layout/_widget/mathjax.ejs
@@ -16,5 +16,5 @@
 <% if(theme.vendors.mathjax) { %>
     <script src="<%= theme.vendors.mathjax + '?config=TeX-AMS-MML_HTMLorMML' %>"></script>
 <%}else{%>
-    <script type="text/javascript" src="<%= url_for('js/mathjax.js?config=TeX-AMS-MML_HTMLorMML') %>"></script>
+    <script type="text/javascript" src="<%= url_for('js/MathJax.js?config=TeX-AMS-MML_HTMLorMML') %>"></script>
 <%}%>
diff --git a/source/js/mathjax.js b/source/js/MathJax.js
similarity index 100%
rename from source/js/mathjax.js
rename to source/js/MathJax.js