diff --git a/core/src/test/scala/tf/bug/fancadetagless/FancadeSuite.scala b/core/src/test/scala/tf/bug/fancadetagless/FancadeSuite.scala
index df9c4b9..b01f6bc 100644
--- a/core/src/test/scala/tf/bug/fancadetagless/FancadeSuite.scala
+++ b/core/src/test/scala/tf/bug/fancadetagless/FancadeSuite.scala
@@ -8,7 +8,7 @@ class FancadeSuite extends munit.FunSuite {
     val capture = Fancade.Capture[String](BlockDefinition.GetNumber, "hello", Vector(
       BlockDefinition.GetNumber.output
     ))
-    
+    assertEquals(capture.render.blocks.size, 1)
   }
 
 }