diff --git a/lib/aes/aes.rb b/lib/aes/aes.rb
index 5235ad4..6657ff7 100644
--- a/lib/aes/aes.rb
+++ b/lib/aes/aes.rb
@@ -92,7 +92,7 @@ def random_key(length=256)
       # Generates a random seed value
       def _random_seed(size=32)
         if defined? OpenSSL::Random
-          return OpenSSL::Random.random_bytes(size)
+          OpenSSL::Random.random_bytes(size)
         else
           chars = ("a".."z").to_a + ("A".."Z").to_a + ("0".."9").to_a
           (1..size).collect{|a| chars[rand(chars.size)] }.join