diff --git a/lib/gitlab/markdown.rb b/lib/gitlab/markdown.rb
index 9b3e34653a..709a74fe21 100644
--- a/lib/gitlab/markdown.rb
+++ b/lib/gitlab/markdown.rb
@@ -245,6 +245,7 @@ module Gitlab
           title: commit.link_title,
           class: "gfm gfm-commit #{html_options[:class]}"
         )
+        prefix_text = "#{prefix_text}@" if prefix_text
         link_to(
           "#{prefix_text}#{identifier}",
           project_commit_url(project, commit),