diff --git a/Library/Homebrew/diagnostic.rb b/Library/Homebrew/diagnostic.rb
index 88d461e0aa..49402bc07b 100644
--- a/Library/Homebrew/diagnostic.rb
+++ b/Library/Homebrew/diagnostic.rb
@@ -157,7 +157,7 @@ module Homebrew
         end
         return if files.empty?
 
-        inject_file_list(files, message)
+        inject_file_list(files.sort, message)
       end
 
       def check_for_stray_dylibs