diff --git a/spec/templates_spec.rb b/spec/templates_spec.rb
index 2a0fec5..3aba338 100644
--- a/spec/templates_spec.rb
+++ b/spec/templates_spec.rb
@@ -16,10 +16,11 @@
 
   it 'supports ERB templates' do
     book, = to_epub <<~EOS, template_dirs: [fixtures_dir.join('templates/erb').to_s]
-= Article
+      = Article
+
+      Paragraph
+    EOS
 
-Paragraph
-EOS
     chapter = book.item_by_href '_article.xhtml'
     expect(chapter).not_to be_nil
     expect(chapter.content).to include '<erb>Paragraph</erb>'