diff --git a/src/main/java/net/onrc/onos/ofcontroller/forwarding/Forwarding.java b/src/main/java/net/onrc/onos/ofcontroller/forwarding/Forwarding.java
index 4415120..8ca3989 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/forwarding/Forwarding.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/forwarding/Forwarding.java
@@ -477,6 +477,11 @@
 		MACAddress srcMacAddress = installedFlowPath.flowEntryMatch().srcMac();
 		MACAddress dstMacAddress = installedFlowPath.flowEntryMatch().dstMac();
 		
+		if (srcMacAddress == null || dstMacAddress == null) {
+			// Not our flow path, ignore
+			return;
+		}
+		
 		Collection<PacketToPush> packets;
 		synchronized (lock) {
 			log.debug("Flow {} has been installed, sending queued packets",