diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index f66b46e6..c3511ef0 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -8,6 +8,7 @@
 
   SimpleCov.start do
     track_files('lib/**/*.rb')
+    add_filter(%r{spec(/|\.)})
   end
 end