diff --git a/app/controllers/budgets/investments_controller.rb b/app/controllers/budgets/investments_controller.rb
index bb00f24af..0c3f9a538 100644
--- a/app/controllers/budgets/investments_controller.rb
+++ b/app/controllers/budgets/investments_controller.rb
@@ -28,8 +28,8 @@ module Budgets
     respond_to :html, :js
 
     def index
-      @investments = @investments.apply_filters_and_search(@budget, params, @current_filter)
-                                 .send("sort_by_#{@current_order}").page(params[:page]).per(10).for_render
+      @investments = investments.page(params[:page]).per(10).for_render
+
       @investment_ids = @investments.pluck(:id)
       load_investment_votes(@investments)
       @tag_cloud = tag_cloud
@@ -94,9 +94,7 @@ module Budgets
 
       def set_random_seed
         if params[:order] == 'random' || params[:order].blank?
-          params[:random_seed] ||= rand(99) / 100.0
-          seed = Float(params[:random_seed]) rescue 0
-          Budget::Investment.connection.execute("select setseed(#{seed})")
+          params[:random_seed] ||= rand(9)
         else
           params[:random_seed] = nil
         end
@@ -131,6 +129,17 @@ module Budgets
         TagCloud.new(Budget::Investment, params[:search])
       end
 
+      def investments
+        case @current_order
+        when 'random'
+          @investments.apply_filters_and_search(@budget, params, @current_filter)
+                      .send("sort_by_#{@current_order}", params[:random_seed])
+        else
+          @investments.apply_filters_and_search(@budget, params, @current_filter)
+                      .send("sort_by_#{@current_order}")
+        end
+      end
+
   end
 
 end
diff --git a/app/models/budget/investment.rb b/app/models/budget/investment.rb
index ddf6e819c..8ee768574 100644
--- a/app/models/budget/investment.rb
+++ b/app/models/budget/investment.rb
@@ -43,7 +43,7 @@ class Budget
     scope :sort_by_confidence_score, -> { reorder(confidence_score: :desc, id: :desc) }
     scope :sort_by_ballots,          -> { reorder(ballot_lines_count: :desc, id: :desc) }
     scope :sort_by_price,            -> { reorder(price: :desc, confidence_score: :desc, id: :desc) }
-    scope :sort_by_random,           -> { reorder("RANDOM()") }
+    scope :sort_by_random,           ->(seed) { reorder("budget_investments.id % #{seed}, budget_investments.id") }
 
     scope :valuation_open,              -> { where(valuation_finished: false) }
     scope :without_admin,               -> { valuation_open.where(administrator_id: nil) }