- options_for_select(UserBlock::PERIODS.collect { |h| [block_duration_in_words(h.hours), h.to_s] }, params[:user_block_period]),
+ options_for_select(UserBlock::PERIODS.collect { |h| [block_duration_in_words(h.hours), h.to_s] },
+ UserBlock::PERIODS.min_by { |h| (params[:user_block_period].to_i - h).abs }),