2 files changed, 22 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
index f054e17017..d6e6cb4d05 100644
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -1154,13 +1154,11 @@ module ActiveRecord
       end
     end
 
-    # This function is recursive just for better readablity.
-    # #where argument doesn't support more than one level nested hash in real world.
     def add_relations_to_bind_values(attributes)
       if attributes.is_a?(Hash)
         attributes.each_value do |value|
           if value.is_a?(ActiveRecord::Relation)
-            self.bind_values += value.bind_values
+            self.bind_values += value.arel.bind_values + value.bind_values
           else
             add_relations_to_bind_values(value)
           end
diff --git a/activerecord/test/cases/relation/where_test.rb b/activerecord/test/cases/relation/where_test.rb
index d675953da6..b0573579da 100644
--- a/activerecord/test/cases/relation/where_test.rb
+++ b/activerecord/test/cases/relation/where_test.rb
@@ -1,13 +1,15 @@
 require "cases/helper"
-require 'models/author'
-require 'models/price_estimate'
-require 'models/treasure'
-require 'models/post'
-require 'models/comment'
-require 'models/edge'
-require 'models/topic'
-require 'models/binary'
-require 'models/vertex'
+require "models/author"
+require "models/binary"
+require "models/cake_designer"
+require "models/chef"
+require "models/comment"
+require "models/edge"
+require "models/post"
+require "models/price_estimate"
+require "models/topic"
+require "models/treasure"
+require "models/vertex"
 
 module ActiveRecord
   class WhereTest < ActiveRecord::TestCase
@@ -26,6 +28,16 @@ module ActiveRecord
       }
     end
 
+    def test_where_copies_arel_bind_params
+      chef = Chef.create!
+      CakeDesigner.create!(chef: chef)
+
+      cake_designers = CakeDesigner.joins(:chef).where(chefs: { id: chef.id })
+      chefs = Chef.where(employable: cake_designers)
+
+      assert_equal [chef], chefs.to_a
+    end
+
     def test_rewhere_on_root
       assert_equal posts(:welcome), Post.rewhere(title: 'Welcome to the weblog').first
     end