# Can't modify frozen hash when upgrade to rails 2.3.2

**URL:** <https://www.ruby-forum.com/t/cant-modify-frozen-hash-when-upgrade-to-rails-2-3-2/170673>\
**Category:** Rails\
**Created:** [June 20, 2009, 9:43pm UTC](https://www.ruby-forum.com/t/cant-modify-frozen-hash-when-upgrade-to-rails-2-3-2/170673 "2009-06-20T21:43:31Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![skumar](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/e9c0ed/32.png) [@skumar](https://www.ruby-forum.com/u/skumar)\
**Post date:** [June 20, 2009, 9:43pm UTC](https://www.ruby-forum.com/t/cant-modify-frozen-hash-when-upgrade-to-rails-2-3-2/170673/1 "2009-06-20T21:43:31Z")

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Hi,

When I upgraded my rails application to rails 2.3.2 I am getting  
error ‘can’t modify frozen hash’ on using

@something.update\_attribute(params[:something]).  
Can anyone help me who is familiarize with this bug?

Thanks,