diff --git a/src/cli/cli_helper.rb b/src/cli/cli_helper.rb index 8ceb9d05f7..384b3b6454 100644 --- a/src/cli/cli_helper.rb +++ b/src/cli/cli_helper.rb @@ -639,7 +639,7 @@ module CLIHelper def expand_columns(expand_columns, all = false) return if expand_columns.empty? - if $stdout.tty? || IO.console.tty? + if $stdout.tty? || (IO.console && IO.console.tty?) terminal_size = IO.console.winsize[1] else terminal_size = nil