diff --git a/lib/redmine/imap.rb b/lib/redmine/imap.rb
index dd1904d3a..eb37a16a4 100644
--- a/lib/redmine/imap.rb
+++ b/lib/redmine/imap.rb
@@ -53,7 +53,7 @@ module Redmine
       private
 
       def logger
-        RAILS_DEFAULT_LOGGER
+        ::Rails.logger
       end
     end
   end
diff --git a/lib/redmine/pop3.rb b/lib/redmine/pop3.rb
index f6b942383..c900ca2ae 100644
--- a/lib/redmine/pop3.rb
+++ b/lib/redmine/pop3.rb
@@ -55,7 +55,7 @@ module Redmine
       private
 
       def logger
-        RAILS_DEFAULT_LOGGER
+        ::Rails.logger
       end
     end
   end