diff --git a/common.el b/common.el
index 2fcdf9d..0621cdc 100644
--- a/common.el
+++ b/common.el
@@ -1,4 +1,5 @@
 (setq org-html-head-include-scripts nil
       org-html-validation-link nil
       org-html-htmlize-output-type 'css
-      org-confirm-babel-evaluate nil)
+      org-confirm-babel-evaluate nil
+      org-export-with-sub-superscripts '{})