diff --git a/spec/mongoid/relations/referenced/many_spec.rb b/spec/mongoid/relations/referenced/many_spec.rb
index 8c1f098..cb9e830 100644
--- a/spec/mongoid/relations/referenced/many_spec.rb
+++ b/spec/mongoid/relations/referenced/many_spec.rb
@@ -173,7 +173,19 @@ describe Mongoid::Relations::Referenced::Many do
           end

           it "increments the counter cache" do
-            expect(person.reload.posts_count).to eq(1)
+            expect(person[:posts_count]).to eq(1)
+          end
+
+          context "when saving another post" do
+
+            before do
+              person.reload
+              person.posts.send(method, Post.new)
+            end
+
+            it "increments the counter cache" do
+              expect(person.posts_count).to eq(2)
+            end
           end

           context "when documents already exist on the relation" do