diff --git a/akka-cluster-sharding-typed/src/main/scala/akka/cluster/sharding/typed/internal/ShardedDaemonProcessImpl.scala b/akka-cluster-sharding-typed/src/main/scala/akka/cluster/sharding/typed/internal/ShardedDaemonProcessImpl.scala
index a5c12d66f1..3df856a276 100644
--- a/akka-cluster-sharding-typed/src/main/scala/akka/cluster/sharding/typed/internal/ShardedDaemonProcessImpl.scala
+++ b/akka-cluster-sharding-typed/src/main/scala/akka/cluster/sharding/typed/internal/ShardedDaemonProcessImpl.scala
@@ -168,7 +168,7 @@ private[akka] final class ShardedDaemonProcessImpl(system: ActorSystem[_])
       messageClass: Class[T],
       name: String,
       numberOfInstances: Int,
-      behaviorFactory: function.Function[Int, Behavior[T]],
+      behaviorFactory: function.Function[Integer, Behavior[T]],
       stopMessage: T): Unit =
     init(name, numberOfInstances, n => behaviorFactory(n), ShardedDaemonProcessSettings(system), Some(stopMessage))(
       ClassTag(messageClass))
diff --git a/akka-cluster-sharding-typed/src/main/scala/akka/cluster/sharding/typed/javadsl/ShardedDaemonProcess.scala b/akka-cluster-sharding-typed/src/main/scala/akka/cluster/sharding/typed/javadsl/ShardedDaemonProcess.scala
index cfead91abf..b6b63eb98c 100644
--- a/akka-cluster-sharding-typed/src/main/scala/akka/cluster/sharding/typed/javadsl/ShardedDaemonProcess.scala
+++ b/akka-cluster-sharding-typed/src/main/scala/akka/cluster/sharding/typed/javadsl/ShardedDaemonProcess.scala
@@ -56,7 +56,7 @@ abstract class ShardedDaemonProcess {
       messageClass: Class[T],
       name: String,
       numberOfInstances: Int,
-      behaviorFactory: function.Function[Int, Behavior[T]],
+      behaviorFactory: function.Function[Integer, Behavior[T]],
       stopMessage: T): Unit
 
   /**