diff --git a/src/main/scala/coreplex/BaseCoreplex.scala b/src/main/scala/coreplex/BaseCoreplex.scala
index 7c7be713..157adfb5 100644
--- a/src/main/scala/coreplex/BaseCoreplex.scala
+++ b/src/main/scala/coreplex/BaseCoreplex.scala
@@ -13,7 +13,7 @@ import freechips.rocketchip.util._
 sealed trait CoreplexClockCrossing
 case class SynchronousCrossing(params: BufferParams = BufferParams.default) extends CoreplexClockCrossing
 case class RationalCrossing(direction: RationalDirection = FastToSlow) extends CoreplexClockCrossing
-case class AsynchronousCrossing(depth: Int, sync: Int = 2) extends CoreplexClockCrossing
+case class AsynchronousCrossing(depth: Int, sync: Int = 3) extends CoreplexClockCrossing
 
 /** BareCoreplex is the root class for creating a coreplex sub-system */
 abstract class BareCoreplex(implicit p: Parameters) extends LazyModule with BindingScope {