diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index 0b6f25019..dbc55cbd4 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -62,6 +62,9 @@ class IssuesController < ApplicationController
       case params[:format]
       when 'csv', 'pdf'
         @limit = Setting.issues_export_limit.to_i
+        if params[:columns] == 'all'
+          @query.column_names = @query.available_inline_columns.map(&:name)
+        end
       when 'atom'
         @limit = Setting.feeds_limit.to_i
       when 'xml', 'json'
diff --git a/app/models/issue_query.rb b/app/models/issue_query.rb
index 9a6d278fe..bf90f56d1 100644
--- a/app/models/issue_query.rb
+++ b/app/models/issue_query.rb
@@ -334,6 +334,9 @@ class IssueQuery < Query
       offset(options[:offset])
 
     scope = scope.preload(:custom_values)
+    if has_column?(:author)
+      scope = scope.preload(:author)
+    end
 
     issues = scope.all