diff --git a/Library/Homebrew/linkage_checker.rb b/Library/Homebrew/linkage_checker.rb
index b015b9be46..ea0356a526 100644
--- a/Library/Homebrew/linkage_checker.rb
+++ b/Library/Homebrew/linkage_checker.rb
@@ -311,7 +311,7 @@ class LinkageChecker
     else
       things.sort.each do |item|
         output += if item.is_a? Regexp
-          "\n #{item.inspect}"
+          "\n  #{item.inspect}"
         else
           "\n  #{item}"
         end