diff --git a/src/main/scala/com/raquo/laminar/receivers/ChildOptionReceiver.scala b/src/main/scala/com/raquo/laminar/receivers/ChildOptionReceiver.scala
index dfc5c88..4865af2 100644
--- a/src/main/scala/com/raquo/laminar/receivers/ChildOptionReceiver.scala
+++ b/src/main/scala/com/raquo/laminar/receivers/ChildOptionReceiver.scala
@@ -9,7 +9,7 @@ import com.raquo.laminar.nodes.{ChildNode, CommentNode}
 object ChildOptionReceiver {
 
   def <--(maybeChildSource: Source[Option[ChildNode.Base]]): DynamicInserter = {
-   lazy val emptyNode = new CommentNode("")
+    lazy val emptyNode = new CommentNode("")
     child <-- maybeChildSource.toObservable.map(_.getOrElse(emptyNode))
   }