diff --git a/modules/markup/markdown/markdown.go b/modules/markup/markdown/markdown.go
index f0ed0e03ab5ed..dbf4e047e20a5 100644
--- a/modules/markup/markdown/markdown.go
+++ b/modules/markup/markdown/markdown.go
@@ -141,6 +141,7 @@ func RenderRaw(body []byte, urlPrefix string, wikiMarkdown bool) []byte {
 	extensions |= blackfriday.EXTENSION_FENCED_CODE
 	extensions |= blackfriday.EXTENSION_STRIKETHROUGH
 	extensions |= blackfriday.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK
+	extensions |= blackfriday.EXTENSION_AUTOLINK
 
 	if setting.Markdown.EnableHardLineBreak {
 		extensions |= blackfriday.EXTENSION_HARD_LINE_BREAK