diff --git a/.simplecov b/.simplecov
index ff565dd6..8781bcb4 100644
--- a/.simplecov
+++ b/.simplecov
@@ -4,4 +4,5 @@ SimpleCov.start do
   add_filter "environment.rb"
   add_filter "_plugin.rb"
   add_filter "hacks.rb"
+  add_filter "output.rb"
 end