diff --git a/ee/app/controllers/ee/projects/issues_controller.rb b/ee/app/controllers/ee/projects/issues_controller.rb
index 1d1bd342ed382faa3ce1359fab5c2c765c13e5e2..1d1e96216189a79cc53aedec339f26a548828649 100644
--- a/ee/app/controllers/ee/projects/issues_controller.rb
+++ b/ee/app/controllers/ee/projects/issues_controller.rb
@@ -97,14 +97,15 @@ def vulnerability_issue_feedback_params(issue, vulnerability)
 
       def render_vulnerability_description
         render_to_string(
-          template: 'vulnerabilities/issue_description.md.erb',
+          template: 'vulnerabilities/issue_description',
+          formats: :md,
           locals: { vulnerability: vulnerability.present }
         )
       end
 
       def render_vulnerability_link_alert(error_message)
         render_to_string(
-          partial: 'vulnerabilities/unable_to_link_vulnerability.html.haml',
+          partial: 'vulnerabilities/unable_to_link_vulnerability',
           locals: {
             vulnerability_link: vulnerability_path(vulnerability),
             error_message: error_message