diff --git a/site-lisp/db-org.el b/site-lisp/db-org.el
index 60d8fec..1379a97 100644
--- a/site-lisp/db-org.el
+++ b/site-lisp/db-org.el
@@ -864,8 +864,9 @@ This is done only if the value of this variable is not null."
 
 ;;; Exporting
 
-(setq org-export-use-babel nil
-      org-export-with-broken-links 'mark
+(setq org-export-use-babel nil)
+
+(setq org-export-with-broken-links 'mark
       org-export-with-sub-superscripts '{}
       org-export-with-author nil
       org-export-with-date nil
@@ -985,6 +986,11 @@ Current Task: %`org-clock-current-task; "
 
 ;;; Babel
 
+(use-package ob-core
+  :defer t
+  :config (setf (alist-get :results org-babel-default-header-args)
+                "output code replace"))
+
 (defun org-babel-execute:hy (body params)
   ;; http://kitchingroup.cheme.cmu.edu/blog/2016/03/30/OMG-A-Lisp-that-runs-python/
   "Execute hy code BODY with parameters PARAMS."