diff --git a/app/models/commit.rb b/app/models/commit.rb
index 492f6be1ce39be2995c71c57ec2dfa0f2ce44c98..a5f70b3a351280debce834bd78cc565c66cf3692 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -7,7 +7,7 @@ class Commit
   include Referable
   include StaticModel
 
-  attr_mentionable :safe_message
+  attr_mentionable :safe_message, pipeline: :single_line
   participant :author, :committer, :notes
 
   attr_accessor :project
diff --git a/app/models/concerns/issuable.rb b/app/models/concerns/issuable.rb
index 54bfd4eced55fd40d595307f84a69439a1876fd4..1d7cecef97b0548c7c0e16577188a9886f434cc9 100644
--- a/app/models/concerns/issuable.rb
+++ b/app/models/concerns/issuable.rb
@@ -46,7 +46,7 @@ module Issuable
              allow_nil: true,
              prefix: true
 
-    attr_mentionable :title 
+    attr_mentionable :title, pipeline: :single_line
     attr_mentionable :description, cache: true
     participant :author, :assignee, :notes_with_associations
   end