diff --git a/Library/Homebrew/cmd/link.rb b/Library/Homebrew/cmd/link.rb
index d8ca8a6ca3..9cb622dacf 100644
--- a/Library/Homebrew/cmd/link.rb
+++ b/Library/Homebrew/cmd/link.rb
@@ -68,7 +68,7 @@ module Homebrew
       if keg_only
         if Homebrew.default_prefix?
           f = keg.to_formula
-          if f.keg_only_reason.reason.by_macos?
+          if f.keg_only_reason.by_macos?
             caveats = Caveats.new(f)
             opoo <<~EOS
               Refusing to link macOS provided/shadowed software: #{keg.name}