diff --git a/app/views/problem/show.php b/app/views/problem/show.php
index d5e2254..85e3a63 100644
--- a/app/views/problem/show.php
+++ b/app/views/problem/show.php
@@ -13,6 +13,23 @@
     </div>
   </aside>
 </div>
-<script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
+<script type="text/x-mathjax-config">
+MathJax.Hub.Config({
+    tex2jax: {
+        inlineMath: [ ['$','$'], ["\\(","\\)"]  ],
+        processEscapes: true,
+        skipTags: ['script', 'noscript', 'style', 'textarea', 'pre', 'code']
+    }
+});
+
+MathJax.Hub.Queue(function() {
+    var all = MathJax.Hub.getAllJax(), i;
+    for(i=0; i < all.length; i += 1) {
+        all[i].SourceElement().parentNode.className += ' has-jax';
+    }
+});
+</script>
+
+<script async src="//cdn.bootcss.com/mathjax/2.7.0/MathJax.js?config=TeX-MML-AM_CHTML"></script>
 <?php
 include(__DIR__ . '/../layout/footer.php');