diff --git a/railties/lib/rails/code_statistics.rb b/railties/lib/rails/code_statistics.rb
index 9556b659ee..4ac85b431f 100644
--- a/railties/lib/rails/code_statistics.rb
+++ b/railties/lib/rails/code_statistics.rb
@@ -8,6 +8,8 @@ class CodeStatistics #:nodoc:
                 "Helper tests",
                 "Model tests",
                 "Mailer tests",
+                "Mailbox tests",
+                "Channel tests",
                 "Job tests",
                 "Integration tests",
                 "System tests"]
diff --git a/railties/test/application/rake_test.rb b/railties/test/application/rake_test.rb
index c7255f5d4c..033869c83e 100644
--- a/railties/test/application/rake_test.rb
+++ b/railties/test/application/rake_test.rb
@@ -141,7 +141,7 @@ module ApplicationTests
     end
 
     def test_code_statistics_sanity
-      assert_match "Code LOC: 32     Test LOC: 0     Code to Test Ratio: 1:0.0",
+      assert_match "Code LOC: 29     Test LOC: 3     Code to Test Ratio: 1:0.1",
         rails("stats")
     end