diff --git a/remarkbox/templates/snippets/create.j2 b/remarkbox/templates/snippets/create.j2
index a4cff25..6733c03 100644
--- a/remarkbox/templates/snippets/create.j2
+++ b/remarkbox/templates/snippets/create.j2
@@ -11,7 +11,7 @@
         name        = "thread_data"
         id          = "thread_data_textarea"
         class       = "common-textarea"
-        onkeyup     = "previewAjax( 'thread_data_textarea', 'preview', show_raw=true, mathjax={{ request.mathjax }} )"
+        onkeyup     = "previewAjax( 'thread_data_textarea', 'preview', show_raw=true, katex={{ request.katex }} )"
         placeholder = "What do you want to say? markdown"
         required></textarea>