diff --git a/app/views/admin/books/download_excel.xlsx.axlsx b/app/views/admin/books/download_excel.xlsx.axlsx
index 02119a6..a4844ff 100644
--- a/app/views/admin/books/download_excel.xlsx.axlsx
+++ b/app/views/admin/books/download_excel.xlsx.axlsx
@@ -70,7 +70,7 @@ wb = xlsx_package.workbook
 
 	      row << book.year
 	      row << book.language
-	      row << book.book_types.map{|bpt| bpt.title}.join(", ") rescue ""
+	      row << book.book_type.title rescue ""
 	      row << book.pages
 	      row << book.book_author_types.map{|bpt| bpt.title}.join(", ") rescue ""
 	      row << book.number_of_authors