diff --git a/lib/redmine/export/pdf/issues_pdf_helper.rb b/lib/redmine/export/pdf/issues_pdf_helper.rb
index 2f73e52a4..4b06fb87c 100644
--- a/lib/redmine/export/pdf/issues_pdf_helper.rb
+++ b/lib/redmine/export/pdf/issues_pdf_helper.rb
@@ -379,7 +379,11 @@ module Redmine
                 cv = issue.visible_custom_field_values.detect {|v| v.custom_field_id == column.custom_field.id}
                 show_value(cv, false)
               else
-                value = issue.send(column.name)
+                value = issue
+                column.name.to_s.split(/\./).each do |column_name|
+                  value = value.__send__(column_name)
+                  break unless value
+                end
                 case column.name
                 when :subject
                   value = "  " * level + value
diff --git a/test/unit/lib/redmine/export/pdf/issues_pdf_test.rb b/test/unit/lib/redmine/export/pdf/issues_pdf_test.rb
index c9e4e4863..d6547cc3d 100644
--- a/test/unit/lib/redmine/export/pdf/issues_pdf_test.rb
+++ b/test/unit/lib/redmine/export/pdf/issues_pdf_test.rb
@@ -36,4 +36,15 @@ class IssuesPdfHelperTest < ActiveSupport::TestCase
     results = fetch_row_values(issue, query, 0)
     assert_equal ["2", "Add ingredients categories", "4.34"], results
   end
+
+  def test_fetch_row_values_should_include_parent_issue_subject
+    query = IssueQuery.new(:project => Project.find(1), :name => '_')
+    query.column_names = [:subject, 'parent.subject']
+    issue = Issue.find(2)
+    issue.parent = Issue.find(1)
+    issue.save!
+
+    results = fetch_row_values(issue, query, 0)
+    assert_equal ["2", "Add ingredients categories", "Cannot print recipes"], results
+  end
 end