Index: rails_plugins/templated_attribute/lib/templated_attribute.rb
===================================================================
--- rails_plugins/templated_attribute/lib/templated_attribute.rb (revision 19)
+++ rails_plugins/templated_attribute/lib/templated_attribute.rb (revision 20)
@@ -52,7 +52,8 @@
       protected
       def remove_unchanged_template_values  # :nodoc:
         templated_attributes_options.each_pair do |attr_name, options|
-          write_attribute(attr_name, nil) if read_attribute(attr_name).strip == options[:value]
+          value = read_attribute(attr_name)
+          write_attribute(attr_name, nil) if value.nil? || value.strip == options[:value]
         end
       end
     end