diff --git a/akka-cluster/src/multi-jvm/scala/akka/cluster/JoinTwoClustersSpec.scala b/akka-cluster/src/multi-jvm/scala/akka/cluster/JoinTwoClustersSpec.scala
index e86602949f..2e27f4c3bd 100644
--- a/akka-cluster/src/multi-jvm/scala/akka/cluster/JoinTwoClustersSpec.scala
+++ b/akka-cluster/src/multi-jvm/scala/akka/cluster/JoinTwoClustersSpec.scala
@@ -17,7 +17,7 @@ object JoinTwoClustersMultiJvmSpec extends MultiNodeConfig {
   val c1 = role("c1")
   val c2 = role("c2")
 
-  commonConfig(debugConfig(on = false).withFallback(MultiNodeClusterSpec.clusterConfig))
+  commonConfig(debugConfig(on = true).withFallback(MultiNodeClusterSpec.clusterConfig))
 }
 
 class JoinTwoClustersMultiJvmNode1 extends JoinTwoClustersSpec
diff --git a/akka-cluster/src/multi-jvm/scala/akka/cluster/SunnyWeatherSpec.scala b/akka-cluster/src/multi-jvm/scala/akka/cluster/SunnyWeatherSpec.scala
index fcb1393f8a..e36980d859 100644
--- a/akka-cluster/src/multi-jvm/scala/akka/cluster/SunnyWeatherSpec.scala
+++ b/akka-cluster/src/multi-jvm/scala/akka/cluster/SunnyWeatherSpec.scala
@@ -24,7 +24,7 @@ object SunnyWeatherMultiJvmSpec extends MultiNodeConfig {
       gossip-interval = 400 ms
       nr-of-deputy-nodes = 0
     }
-    akka.loglevel = INFO
+    akka.loglevel = DEBUG
     """))
 }