diff --git a/src/main/java/io/lettuce/core/cluster/models/partitions/RedisClusterNode.java b/src/main/java/io/lettuce/core/cluster/models/partitions/RedisClusterNode.java
index 711b52a716..154cc672e6 100644
--- a/src/main/java/io/lettuce/core/cluster/models/partitions/RedisClusterNode.java
+++ b/src/main/java/io/lettuce/core/cluster/models/partitions/RedisClusterNode.java
@@ -300,7 +300,8 @@ public void forEachSlot(IntConsumer consumer) {
             return;
         }
 
-        for (int i = 0; i < this.slots.length(); i++) {
+        int length = this.slots.length();
+        for (int i = 0; i < length; i++) {
 
             if (this.slots.get(i)) {
                 consumer.accept(i);