diff --git a/src/helpers/mime.js b/src/helpers/mime.js
index 7a3d0d33860..c0b79b175a7 100644
--- a/src/helpers/mime.js
+++ b/src/helpers/mime.js
@@ -40,6 +40,7 @@ const openMimetypesPlainText = [
 	'text/css',
 	'text/csv',
 	'text/html',
+	'text/org',
 	'text/x-c',
 	'text/x-c++src',
 	'text/x-h',