diff --git a/src/main/java/org/onosproject/aaa/AAA.java b/src/main/java/org/onosproject/aaa/AAA.java
index c386365..7e3de88 100644
--- a/src/main/java/org/onosproject/aaa/AAA.java
+++ b/src/main/java/org/onosproject/aaa/AAA.java
@@ -35,6 +35,7 @@
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.RADIUS;
 import org.onlab.packet.RADIUSAttribute;
+import org.onlab.packet.TpPort;
 import org.onlab.packet.UDP;
 import org.onlab.packet.VlanId;
 import org.onlab.util.Tools;
@@ -236,8 +237,8 @@
         TrafficSelector radSelector = DefaultTrafficSelector.builder()
                 .matchEthType(EthType.EtherType.IPV4.ethType().toShort())
                 .matchIPProtocol(IPv4.PROTOCOL_UDP)
-                .matchUdpDst((short) 1812)
-                .matchUdpSrc((short) 1812)
+                .matchUdpDst(TpPort.tpPort(1812))
+                .matchUdpSrc(TpPort.tpPort(1812))
                 .build();
         packetService.requestPackets(radSelector, CONTROL, appId);
     }
@@ -253,8 +254,8 @@
         TrafficSelector radSelector = DefaultTrafficSelector.builder()
                 .matchEthType(EthType.EtherType.IPV4.ethType().toShort())
                 .matchIPProtocol(IPv4.PROTOCOL_UDP)
-                .matchUdpDst((short) 1812)
-                .matchUdpSrc((short) 1812)
+                .matchUdpDst(TpPort.tpPort(1812))
+                .matchUdpSrc(TpPort.tpPort(1812))
                 .build();
         packetService.cancelPackets(radSelector, CONTROL, appId);
     }