sample app launched
diff --git a/core/api/src/main/java/org/onlab/onos/net/packet/DefaultPacketContext.java b/core/api/src/main/java/org/onlab/onos/net/packet/DefaultPacketContext.java
index 3c2b0ea..6f1b708 100644
--- a/core/api/src/main/java/org/onlab/onos/net/packet/DefaultPacketContext.java
+++ b/core/api/src/main/java/org/onlab/onos/net/packet/DefaultPacketContext.java
@@ -51,7 +51,7 @@
     public abstract void send();
 
     @Override
-    public boolean blocked() {
+    public boolean block() {
         return this.block.getAndSet(true);
     }