diff --git a/src/main/java/net/engio/mbassy/multi/subscription/SubscriptionManager.java b/src/main/java/net/engio/mbassy/multi/subscription/SubscriptionManager.java
index f787bb1..123d4cd 100644
--- a/src/main/java/net/engio/mbassy/multi/subscription/SubscriptionManager.java
+++ b/src/main/java/net/engio/mbassy/multi/subscription/SubscriptionManager.java
@@ -59,7 +59,7 @@ public class SubscriptionManager {
 
 
     public SubscriptionManager(int numberOfThreads) {
-        this.MAP_STRIPING = numberOfThreads/2;
+        this.MAP_STRIPING = numberOfThreads;
         this.LOAD_FACTOR = 0.8f;
 
         this.subscriptionsPerMessageSingle = new ConcurrentHashMap<Class<?>, Collection<Subscription>>(4, this.LOAD_FACTOR, this.MAP_STRIPING);