diff --git a/lisp/org.el b/lisp/org.el
index 7ded8c547..2f0d8912e 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -5585,8 +5585,9 @@ the rounding returns a past time."
 (require 'font-lock)
 
 (defconst org-non-link-chars "]\t\n\r<>")
-(defvar org-link-types '("http" "https" "ftp" "mailto" "file" "news"
-			 "shell" "elisp" "doi" "message" "help"))
+(defvar org-link-types '("http" "https" "ftp" "mailto" "file" "file+emacs"
+			 "file+sys" "news" "shell" "elisp" "doi" "message"
+			 "help"))
 (defvar org-link-types-re nil
   "Matches a link that has a url-like prefix like \"http:\"")
 (defvar org-link-re-with-space nil