diff --git a/spec/producer/core/env_spec.rb b/spec/producer/core/env_spec.rb
index 4d8850c..cd4465d 100644
--- a/spec/producer/core/env_spec.rb
+++ b/spec/producer/core/env_spec.rb
@@ -15,7 +15,7 @@ module Producer::Core
         end
 
         it 'assigns $stdout as the default output' do
-          expect(env.instance_eval { @output} ).to eq $stdout
+          expect(env.instance_eval { @output } ).to eq $stdout
         end
       end