diff --git a/app/models/journal_paper.rb b/app/models/journal_paper.rb
index 9a92627..1c49805 100644
--- a/app/models/journal_paper.rb
+++ b/app/models/journal_paper.rb
@@ -31,7 +31,8 @@ class JournalPaper
   # paginates_per 10
   
   #relations
-  belongs_to :member_profile
+  has_and_belongs_to_many :member_profile, class_name: "MemberProfile", foreign_key: 'member_profile_id'
+
   belongs_to :journal_paper_type
   has_and_belongs_to_many :journal_types