diff --git a/src/main/java/net/floodlightcontroller/learningswitch/LearningSwitch.java b/src/main/java/net/floodlightcontroller/learningswitch/LearningSwitch.java
index bbc1a01042b4e52cc6c4c2e0ea4c36b5913a07c5..6e30c6da9ee6c4188ba5f2d0cf8ae50be7e9260a 100644
--- a/src/main/java/net/floodlightcontroller/learningswitch/LearningSwitch.java
+++ b/src/main/java/net/floodlightcontroller/learningswitch/LearningSwitch.java
@@ -53,6 +53,7 @@ import net.floodlightcontroller.debugcounter.IDebugCounterService;
 import net.floodlightcontroller.debugcounter.IDebugCounterService.MetaData;
 import net.floodlightcontroller.packet.Ethernet;
 import net.floodlightcontroller.restserver.IRestApiService;
+import net.floodlightcontroller.util.OFMessageUtils;
 
 import org.projectfloodlight.openflow.protocol.OFFlowMod;
 import org.projectfloodlight.openflow.protocol.OFFlowRemoved;