diff --git a/Library/Homebrew/dev-cmd/audit.rb b/Library/Homebrew/dev-cmd/audit.rb
index a7c9de576bd9884e68ada0963e8d3f6d2bb957b9..180783f794768cbd53a918d06c66074851613737 100644
--- a/Library/Homebrew/dev-cmd/audit.rb
+++ b/Library/Homebrew/dev-cmd/audit.rb
@@ -1491,7 +1491,7 @@ class ResourceAuditor
     return unless @online
     urls.each do |url|
       strategy = DownloadStrategyDetector.detect(url)
-      if strategy <= CurlDownloadStrategy
+      if strategy <= CurlDownloadStrategy && !url.start_with?("file")
         problem url
         status_code = FormulaAuditor.url_status_code url
         unless status_code.start_with? "2"