diff --git a/Library/Homebrew/cmd/doctor.rb b/Library/Homebrew/cmd/doctor.rb
index a72ce689f5..8cb729dd10 100644
--- a/Library/Homebrew/cmd/doctor.rb
+++ b/Library/Homebrew/cmd/doctor.rb
@@ -1043,7 +1043,7 @@ def check_for_non_prefixed_coreutils
 end
 
 def check_for_non_prefixed_findutils
-  default_names = Tab.for_name('findutils').include? 'default-names'
+  default_names = Tab.for_name('findutils').with? "default-names"
   if default_names then <<-EOS.undent
     Putting non-prefixed findutils in your path can cause python builds to fail.
     EOS