diff --git a/core/net/src/main/java/org/onosproject/net/flow/impl/FlowRuleManager.java b/core/net/src/main/java/org/onosproject/net/flow/impl/FlowRuleManager.java
index 5b20a55..7d1022c 100644
--- a/core/net/src/main/java/org/onosproject/net/flow/impl/FlowRuleManager.java
+++ b/core/net/src/main/java/org/onosproject/net/flow/impl/FlowRuleManager.java
@@ -449,7 +449,7 @@
                 Multimap<DeviceId, FlowRuleBatchEntry> batches) {
             this.futures = futures;
             this.batches = batches;
-            state = new AtomicReference<FlowRuleManager.BatchState>();
+            state = new AtomicReference<>();
             state.set(BatchState.STARTED);
         }