diff --git a/app/decorators/commit_decorator.rb b/app/decorators/commit_decorator.rb
index cc8fa975..d9c880be 100644
--- a/app/decorators/commit_decorator.rb
+++ b/app/decorators/commit_decorator.rb
@@ -1,6 +1,10 @@
 class CommitDecorator < ApplicationDecorator
   decorates :commit
 
+  def short_id(length = 10)
+    id.to_s[0..length]
+  end
+
   # Returns the commits title.
   #
   # Usually, the commit title is the first line of the commit message.