diff --git a/include/ZeroTierOne.h b/include/ZeroTierOne.h
index 7af4f7601..7371b9f0a 100644
--- a/include/ZeroTierOne.h
+++ b/include/ZeroTierOne.h
@@ -141,7 +141,7 @@ extern "C" {
 /**
  * Maximum allowed cluster message length in bytes
  */
-#define ZT_CLUSTER_MAX_MESSAGE_LENGTH (1444 * 6)
+#define ZT_CLUSTER_MAX_MESSAGE_LENGTH (1444 * 4)
 
 /**
  * A null/empty sockaddr (all zero) to signify an unspecified socket address
diff --git a/node/Cluster.hpp b/node/Cluster.hpp
index 7d0c6a089..bb7d3b397 100644
--- a/node/Cluster.hpp
+++ b/node/Cluster.hpp
@@ -57,7 +57,7 @@
 /**
  * Desired period between doPeriodicTasks() in milliseconds
  */
-#define ZT_CLUSTER_PERIODIC_TASK_PERIOD 100
+#define ZT_CLUSTER_PERIODIC_TASK_PERIOD 50
 
 namespace ZeroTier {