diff --git a/app/controllers/budgets/investments_controller.rb b/app/controllers/budgets/investments_controller.rb
index 435fae04c..5a8174f81 100644
--- a/app/controllers/budgets/investments_controller.rb
+++ b/app/controllers/budgets/investments_controller.rb
@@ -94,7 +94,7 @@ module Budgets
 
       def set_random_seed
         if params[:order] == 'random' || params[:order].blank?
-          seed = rand(11..99) / 10.0
+          seed = rand(-100..100) / 100.0
           params[:random_seed] ||= Float(seed) rescue 0
         else
           params[:random_seed] = nil