Index: src/main/ruby/hbase/admin.rb =================================================================== --- src/main/ruby/hbase/admin.rb (revision 1202433) +++ src/main/ruby/hbase/admin.rb (working copy) @@ -332,7 +332,7 @@ # If column already exist, then try to alter it. Create otherwise. if htd.hasFamily(column_name.to_java_bytes) - @admin.modifyColumn(table_name, column_name, descriptor) + @admin.modifyColumn(table_name, descriptor) if wait == true puts "Updating all regions with the new schema..." alter_status(table_name)