diff --git a/core/api/src/main/java/org/onlab/onos/net/packet/PacketProvider.java b/core/api/src/main/java/org/onlab/onos/net/packet/PacketProvider.java
index 738c801..4ffdd6fd 100644
--- a/core/api/src/main/java/org/onlab/onos/net/packet/PacketProvider.java
+++ b/core/api/src/main/java/org/onlab/onos/net/packet/PacketProvider.java
@@ -5,7 +5,7 @@
 /**
  * Abstraction of a packet provider capable of emitting packets.
  */
-public interface PacketProvider extends Provider{
+public interface PacketProvider extends Provider {
 
     /**
      * Emits the specified outbound packet onto the network.
diff --git a/core/api/src/main/java/org/onlab/onos/net/packet/PacketProviderService.java b/core/api/src/main/java/org/onlab/onos/net/packet/PacketProviderService.java
index 217ce1f..6615386 100644
--- a/core/api/src/main/java/org/onlab/onos/net/packet/PacketProviderService.java
+++ b/core/api/src/main/java/org/onlab/onos/net/packet/PacketProviderService.java
@@ -5,7 +5,7 @@
 /**
  * Entity capable of processing inbound packets.
  */
-public interface PacketProviderService extends ProviderService<PacketProvider>{
+public interface PacketProviderService extends ProviderService<PacketProvider> {
 
     /**
      * Submits inbound packet context for processing. This processing will be