diff --git a/akka-actor-typed-tests/src/test/scala/akka/actor/typed/scaladsl/MessageAdapterSpec.scala b/akka-actor-typed-tests/src/test/scala/akka/actor/typed/scaladsl/MessageAdapterSpec.scala
index 18840f26b5..2c0c2d976e 100644
--- a/akka-actor-typed-tests/src/test/scala/akka/actor/typed/scaladsl/MessageAdapterSpec.scala
+++ b/akka-actor-typed-tests/src/test/scala/akka/actor/typed/scaladsl/MessageAdapterSpec.scala
@@ -46,7 +46,7 @@ class MessageAdapterSpec
     deadLetterProbe.fishForMessage(deadLetterProbe.remainingOrDefault, s"looking for DeadLetter $expectedMessage") {
       deadLetter =>
         deadLetter.message match {
-          case AdaptMessage(msg, _) =>
+          case AdaptMessage(msg, _) if msg.getClass == expectedMessage.getClass =>
             msg shouldBe expectedMessage
             FishingOutcomes.complete
           case msg if msg.getClass == expectedMessage.getClass =>