lib/epubmaker/epubv2.rb in review-3.1.0 vs lib/epubmaker/epubv2.rb in review-3.2.0

@@ -37,10 +37,10 @@
       %w[title language date type format source description relation coverage subject rights].each do |item|
         next unless @producer.config[item]
         if @producer.config[item].is_a?(Array)
           s << @producer.config.names_of(item).map { |i| %Q(    <dc:#{item}>#{CGI.escapeHTML(i)}</dc:#{item}>\n) }.join
         else
-          s << %Q(    <dc:#{item}>#{CGI.escapeHTML(@producer.config.name_of(item))}</dc:#{item}>\n)
+          s << %Q(    <dc:#{item}>#{CGI.escapeHTML(@producer.config.name_of(item).to_s)}</dc:#{item}>\n)
         end
       end
 
       # ID
       if @producer.config['isbn'].nil?