diff --git a/akka-cluster/src/multi-jvm/scala/akka/cluster/QuickRestartSpec.scala b/akka-cluster/src/multi-jvm/scala/akka/cluster/QuickRestartSpec.scala
index bdd7143a47..3e1da843f2 100644
--- a/akka-cluster/src/multi-jvm/scala/akka/cluster/QuickRestartSpec.scala
+++ b/akka-cluster/src/multi-jvm/scala/akka/cluster/QuickRestartSpec.scala
@@ -24,6 +24,7 @@ object QuickRestartMultiJvmSpec extends MultiNodeConfig {
   commonConfig(debugConfig(on = false).
     withFallback(ConfigFactory.parseString("""
       akka.cluster.auto-down-unreachable-after = off
+      akka.cluster.allow-weakly-up-members = off
       """)).
     withFallback(MultiNodeClusterSpec.clusterConfig))
 
diff --git a/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartFirstSeedNodeSpec.scala b/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartFirstSeedNodeSpec.scala
index 96286a8d2f..706a75abf1 100644
--- a/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartFirstSeedNodeSpec.scala
+++ b/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartFirstSeedNodeSpec.scala
@@ -30,6 +30,7 @@ object RestartFirstSeedNodeMultiJvmSpec extends MultiNodeConfig {
     withFallback(ConfigFactory.parseString("""
       akka.cluster.auto-down-unreachable-after = off
       akka.cluster.retry-unsuccessful-join-after = 3s
+      akka.cluster.allow-weakly-up-members = off
       """)).
     withFallback(MultiNodeClusterSpec.clusterConfig))
 }
diff --git a/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNode2Spec.scala b/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNode2Spec.scala
index b171058c02..68c5a1697c 100644
--- a/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNode2Spec.scala
+++ b/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNode2Spec.scala
@@ -28,9 +28,10 @@ object RestartNode2SpecMultiJvmSpec extends MultiNodeConfig {
     withFallback(ConfigFactory.parseString("""
       akka.cluster.auto-down-unreachable-after = 2s
       akka.cluster.retry-unsuccessful-join-after = 3s
+      akka.cluster.allow-weakly-up-members = off
       akka.remote.retry-gate-closed-for = 45s
       akka.remote.log-remote-lifecycle-events = INFO
-                                           """)).
+      """)).
     withFallback(MultiNodeClusterSpec.clusterConfig))
 
 }
diff --git a/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNode3Spec.scala b/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNode3Spec.scala
index e1eb6e1b73..230b8695fe 100644
--- a/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNode3Spec.scala
+++ b/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNode3Spec.scala
@@ -25,7 +25,10 @@ object RestartNode3MultiJvmSpec extends MultiNodeConfig {
   val third = role("third")
 
   commonConfig(debugConfig(on = false).
-    withFallback(ConfigFactory.parseString("akka.cluster.auto-down-unreachable-after = off")).
+    withFallback(ConfigFactory.parseString("""
+      akka.cluster.auto-down-unreachable-after = off
+      akka.cluster.allow-weakly-up-members = off
+      """)).
     withFallback(MultiNodeClusterSpec.clusterConfig))
 
   testTransport(on = true)
diff --git a/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNodeSpec.scala b/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNodeSpec.scala
index 0fe5927e01..614b0ec549 100644
--- a/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNodeSpec.scala
+++ b/akka-cluster/src/multi-jvm/scala/akka/cluster/RestartNodeSpec.scala
@@ -31,6 +31,7 @@ object RestartNodeMultiJvmSpec extends MultiNodeConfig {
   commonConfig(debugConfig(on = false).
     withFallback(ConfigFactory.parseString("""
       akka.cluster.auto-down-unreachable-after = 5s
+      akka.cluster.allow-weakly-up-members = off
       #akka.remote.use-passive-connections = off
       """)).
     withFallback(MultiNodeClusterSpec.clusterConfig))