diff --git a/spec/chrono_model/time_machine/as_of_spec.rb b/spec/chrono_model/time_machine/as_of_spec.rb
index 0d00099f..618aed36 100644
--- a/spec/chrono_model/time_machine/as_of_spec.rb
+++ b/spec/chrono_model/time_machine/as_of_spec.rb
@@ -153,6 +153,8 @@
       it { expect(Foo.as_of($t.subbar.ts[3]).includes(:bars, :sub_bars).first.sub_bars.first.name).to eq 'new sub-bar' }
 
       it { expect(Foo.as_of(Time.now).includes(:bars, :sub_bars, :sub_sub_bars).first.sub_sub_bars.compact.size).to eq 1 }
+
+      it { expect(Foo.as_of(Time.now).includes(:active_sub_bars).first.name).to eq 'new foo' }
     end
 
     it 'does not raise RecordNotFound when no history records are found' do
diff --git a/spec/support/time_machine/structure.rb b/spec/support/time_machine/structure.rb
index cf536332..74b2b5fc 100644
--- a/spec/support/time_machine/structure.rb
+++ b/spec/support/time_machine/structure.rb
@@ -75,6 +75,7 @@ def up
     adapter.create_table 'sub_bars', temporal: true do |t|
       t.string     :name
       t.references :bar
+      t.boolean    :active, default: true
     end
 
     adapter.create_table 'sub_sub_bars', temporal: true do |t|
@@ -87,6 +88,8 @@ class ::Bar < ActiveRecord::Base
 
       belongs_to :foo
       has_many :sub_bars
+      has_many :active_sub_bars, -> { active }, class_name: 'SubBar', dependent: nil, inverse_of: false
+
       has_one :baz
 
       has_timeline with: :foo
@@ -121,6 +124,7 @@ class ::Foo < ActiveRecord::Base
       has_many :tars, foreign_key: :foo_refering, primary_key: :refee_foo
       has_many :sub_bars, through: :bars
       has_many :sub_sub_bars, through: :sub_bars
+      has_many :active_sub_bars, through: :bars
 
       belongs_to :goo, class_name: 'FooGoo', optional: true
     end
@@ -147,6 +151,8 @@ class ::SubBar < ActiveRecord::Base
       belongs_to :bar
       has_many :sub_sub_bars
 
+      scope :active, -> { where(active: true) }
+
       has_timeline with: :bar
     end