diff --git a/app/models/journal_paper.rb b/app/models/journal_paper.rb
index a9aefb2..3110104 100644
--- a/app/models/journal_paper.rb
+++ b/app/models/journal_paper.rb
@@ -36,7 +36,7 @@ class JournalPaper
   has_and_belongs_to_many :journal_levels
 
   has_many :journal_paper_files, autosave: true, dependent: :destroy
-  accepts_nested_attributes_for :journal_paper_files
+  accepts_nested_attributes_for :journal_paper_files, :allow_destroy => true
 
   # has_and_belongs_to_many :journal_paper_authors, dependent: :destroy
   # accepts_nested_attributes_for :journal_paper_authors