diff --git a/scripts/vm/hypervisor/xenserver/vmops b/scripts/vm/hypervisor/xenserver/vmops
index 65e8b43472c..48d5bf5f20e 100755
--- a/scripts/vm/hypervisor/xenserver/vmops
+++ b/scripts/vm/hypervisor/xenserver/vmops
@@ -1792,13 +1792,13 @@ def network_rules_for_rebooted_vm(session, vmName):
         return True
     
     vif = "vif" + curr_domid + ".0"
-    tap = "tap" + domid + ".0"
+    tap = "tap" + curr_domid + ".0"
     vifs = [vif]
     try:
         util.pread2(['ifconfig', tap])
-    	vifs.append(tap)
+        vifs.append(tap)
     except:
-    	pass
+        pass
     vmchain = '-'.join(vm_name.split('-')[:-1])
 
     for v in vifs: