diff --git a/lisp/org-html.el b/lisp/org-html.el
index 022b87c06..5da2a5fd1 100644
--- a/lisp/org-html.el
+++ b/lisp/org-html.el
@@ -720,7 +720,7 @@ MAY-INLINE-P allows inlining it as an image."
;;Substitute just if original path was absolute.
;;(Otherwise path must remain relative)
(if (file-name-absolute-p path)
- (concat "/" (expand-file-name path))
+ (concat "file://" (expand-file-name path))
path)))
((string= type "")
(list nil path))