diff --git a/akka-cluster/src/multi-jvm/scala/akka/cluster/NodeUpSpec.scala b/akka-cluster/src/multi-jvm/scala/akka/cluster/NodeUpSpec.scala
index b5fc5d626b..f8d0a1f6e2 100644
--- a/akka-cluster/src/multi-jvm/scala/akka/cluster/NodeUpSpec.scala
+++ b/akka-cluster/src/multi-jvm/scala/akka/cluster/NodeUpSpec.scala
@@ -58,7 +58,7 @@ abstract class NodeUpSpec
       for (n ← 1 to 20) {
         100.millis.dilated.sleep()
         unexpected.get must be(null)
-        cluster.latestGossip.members.forall(_.status == MemberStatus.Up)
+        cluster.latestGossip.members.forall(_.status == MemberStatus.Up) must be(true)
       }
 
       testConductor.enter("after-2")