diff --git a/app/controllers/personal_journals_controller.rb b/app/controllers/personal_journals_controller.rb
index 4cd3954..8904fd1 100644
--- a/app/controllers/personal_journals_controller.rb
+++ b/app/controllers/personal_journals_controller.rb
@@ -116,7 +116,7 @@ class PersonalJournalsController < ApplicationController
                     'url' => '/' + I18n.locale.to_s + params[:url],
                     'select_text' => select_text,
                     'search_text' => search_text,
-                    'search_value' => params[:keywords].gsub(/\"/,''),
+                    'search_value' => params[:keywords].to_s.gsub(/\"/,''),
                     'csrf_value' => csrf_value },
       'total_pages' => journal_papers_total_pages,
       'choice' => choice