diff --git a/gists/format-org-mode-source-blocks.el b/gists/format-org-mode-source-blocks.el
new file mode 100644
index 0000000..fea5573
--- /dev/null
+++ b/gists/format-org-mode-source-blocks.el
@@ -0,0 +1,10 @@
+;; https://github.com/lassik/emacs-format-all-the-code
+(use-package format-all)
+
+(use-package org
+  :config
+  (defun my/format-all-advice ()
+    (ignore-errors               ; in case there's no language support
+      (call-interactively #'format-all-buffer)))
+
+  (advice-add #'org-edit-src-exit :before #'my/format-all-advice))