diff --git a/.rubocop.yml b/.rubocop.yml
index 8b87da99b..a5575bf5e 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -373,6 +373,9 @@ Style/AndOr:
 Style/BlockDelimiters:
   Enabled: true
 
+Style/ClassCheck:
+  Enabled: true
+
 Style/Not:
   Enabled: true
 
diff --git a/app/controllers/admin/budget_investments_controller.rb b/app/controllers/admin/budget_investments_controller.rb
index c532ef320..aab41bbcf 100644
--- a/app/controllers/admin/budget_investments_controller.rb
+++ b/app/controllers/admin/budget_investments_controller.rb
@@ -84,7 +84,7 @@ class Admin::BudgetInvestmentsController < Admin::BaseController
 
     def load_investments
       @investments = Budget::Investment.scoped_filter(params, @current_filter).order_filter(params)
-      @investments = Kaminari.paginate_array(@investments) if @investments.kind_of?(Array)
+      @investments = Kaminari.paginate_array(@investments) if @investments.is_a?(Array)
       @investments = @investments.page(params[:page]) unless request.format.csv?
     end