diff --git a/olt.py b/olt.py
index 94c90f3..59713a6 100644
--- a/olt.py
+++ b/olt.py
@@ -59,7 +59,8 @@
 
         igmp = IGMPv3(type=IGMP_TYPE_V3_MEMBERSHIP_REPORT, max_resp_code=30, gaddr="224.0.0.1")
         igmp.grps = [IGMPv3gr(rtype=IGMP_V3_GR_TYPE_EXCLUDE, mcaddr="229.10.20.30")]
-        pkt = IGMPv3.fixup( scapy.Ether(src='00:00:00:00:be:ef') / scapy.IP() / igmp )
+        pkt = IGMPv3.fixup( scapy.Ether(src='00:00:00:00:be:ef', dst='01:00:5e:32:00:fe') \
+                            / scapy.IP() / igmp )
         pkt = pkt / ("0" * (100 - len(pkt)))
 
         self.testPacketIn(match, pkt)