diff --git a/Library/Homebrew/cask/lib/hbc/cli/internal_audit_modified_casks.rb b/Library/Homebrew/cask/lib/hbc/cli/internal_audit_modified_casks.rb
index 3673a5391a..b83224fb1e 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/internal_audit_modified_casks.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/internal_audit_modified_casks.rb
@@ -59,7 +59,7 @@ module Hbc
       end
 
       def modified_cask_files
-        @modified_cask_files ||= git_filter_cask_files("AM")
+        @modified_cask_files ||= git_filter_cask_files("AMR")
       end
 
       def added_cask_files