diff --git a/app/controllers/admin/budget_investments_controller.rb b/app/controllers/admin/budget_investments_controller.rb
index bc4c8d49b..c85cbd98f 100644
--- a/app/controllers/admin/budget_investments_controller.rb
+++ b/app/controllers/admin/budget_investments_controller.rb
@@ -20,7 +20,7 @@ class Admin::BudgetInvestmentsController < Admin::BaseController
       format.html
       format.js
       format.csv do
-        send_data Budget::Investment.to_csv(@investments, headers: true),
+        send_data Budget::Investment.to_csv(@investments),
                   filename: 'budget_investments.csv'
       end
     end
diff --git a/app/models/budget/investment.rb b/app/models/budget/investment.rb
index 6c96578c0..24d038d14 100644
--- a/app/models/budget/investment.rb
+++ b/app/models/budget/investment.rb
@@ -328,7 +328,7 @@ class Budget
       self.valuator_groups.collect(&:name).compact.join(', ').presence
     end
 
-    def self.to_csv(investments, options = {})
+    def self.to_csv(investments)
       attrs = [I18n.t("admin.budget_investments.index.table_id"),
                I18n.t("admin.budget_investments.index.table_title"),
                I18n.t("admin.budget_investments.index.table_supports"),
@@ -339,7 +339,7 @@ class Budget
                I18n.t("admin.budget_investments.index.table_feasibility"),
                I18n.t("admin.budget_investments.index.table_valuation_finished"),
                I18n.t("admin.budget_investments.index.table_selection")]
-      csv_string = CSV.generate(options) do |csv|
+      csv_string = CSV.generate(headers: true) do |csv|
         csv << attrs
         investments.each do |investment|
           id = investment.id.to_s