diff --git a/ls.rb b/ls.rb
index 95200da..b9c3849 100644
--- a/ls.rb
+++ b/ls.rb
@@ -15,8 +15,8 @@ end
 
 def list_filenames
   params = ARGV.getopts('a', 'r', 'l')
-  flags = params['a'] ? File::FNM_DOTMATCH : 0
-  filenames = Dir.glob('*', flags)
+  filenames = params['a'] ? Dir.glob('*', File::FNM_DOTMATCH) : Dir.glob('*')
+  filenames = filenames.reverse if params['r']
   params['l'] ? ownerinfo(filenames) : filenames
   if params['r']
     filenames.reverse
@@ -84,7 +84,7 @@ def file_type(file_stat)
 end
 
 def file_size(filenames)
-  filenames.map { |file| File.size(file) }.max.to_s.length + SIZE_INDENT
+  filenames.map { |file| File.size(file) }.max.to_s.length
 end
 
 def timestamp(file_stat)