1 files changed, 1 insertions, 1 deletions
diff --git a/lib/cgi.rb b/lib/cgi.rb
index 82318707d6..a6003d99a6 100644
--- a/lib/cgi.rb
+++ b/lib/cgi.rb
@@ -891,7 +891,7 @@ class CGI
   #     #  "name2" => ["value1", "value2", ...], ... }
   #
   def CGI::parse(query)
-    params = Hash.new{|hash,key|hash[key]=[]}
+    params = Hash.new([].freeze)
 
     query.split(/[&;]/n).each do |pairs|
       key, value = pairs.split('=',2).collect{|v| CGI::unescape(v) }