diff --git a/app/controllers/budgets/ballot/lines_controller.rb b/app/controllers/budgets/ballot/lines_controller.rb
index 522589dfe..e341e07d1 100644
--- a/app/controllers/budgets/ballot/lines_controller.rb
+++ b/app/controllers/budgets/ballot/lines_controller.rb
@@ -56,7 +56,7 @@ module Budgets
 
         def load_investments
           if params[:investments_ids].present?
-            @investment_ids = params[:investment_ids]
+            @investment_ids = params[:investments_ids]
             @investments = Budget::Investment.where(id: params[:investments_ids])
           end
         end