diff --git a/src/test/utils/DHCP.py b/src/test/utils/DHCP.py
index 2a760c2..c82bc48 100644
--- a/src/test/utils/DHCP.py
+++ b/src/test/utils/DHCP.py
@@ -32,6 +32,7 @@
 	self.return_option = None
 	self.after_T2 = False
 	self.send_different_option = None
+        self.specific_lease = None
 
     def is_mcast(self, ip):
         mcast_octet = (atol(ip) >> 24) & 0xff