diff --git a/spec/lib/active_data/model/associations/nested_attributes_spec.rb b/spec/lib/active_data/model/associations/nested_attributes_spec.rb
index b741659..7ae1d3e 100644
--- a/spec/lib/active_data/model/associations/nested_attributes_spec.rb
+++ b/spec/lib/active_data/model/associations/nested_attributes_spec.rb
@@ -22,7 +22,7 @@ def save
     include_examples 'nested attributes'
   end
 
-  xcontext 'references_one' do
+  context 'references_one' do
     before do
       stub_class(:author, ActiveRecord::Base)
       stub_class(:user, ActiveRecord::Base)