diff --git a/Library/Homebrew/dev-cmd/audit.rb b/Library/Homebrew/dev-cmd/audit.rb
index 61ed6693bf..c7082b7f42 100644
--- a/Library/Homebrew/dev-cmd/audit.rb
+++ b/Library/Homebrew/dev-cmd/audit.rb
@@ -193,8 +193,8 @@ module Homebrew
       formula_count += 1
       problem_count += fa.problems.size
       problem_lines = format_problem_lines(fa.problems)
-      corrected_problem_count = options[:style_offenses]&.count(&:corrected?)
-      new_formula_problem_lines = format_problem_lines(fa.new_formula_problems)
+      corrected_problem_count += options.fetch(:style_offenses, []).count(&:corrected?)
+      new_formula_problem_lines += format_problem_lines(fa.new_formula_problems)
       if args.display_filename?
         puts problem_lines.map { |s| "#{f.path}: #{s}" }
       else