diff --git a/builder/xenserver/common/step_attach_vdi.go b/builder/xenserver/common/step_attach_vdi.go
index 9cdb6e5..059dc49 100644
--- a/builder/xenserver/common/step_attach_vdi.go
+++ b/builder/xenserver/common/step_attach_vdi.go
@@ -41,7 +41,7 @@ func (self *StepAttachVdi) Run(state multistep.StateBag) multistep.StepAction {
 		return multistep.ActionHalt
 	}
 
-	err = instance.ConnectVdi(self.vdi, self.VdiType)
+	err = instance.ConnectVdi(self.vdi, self.VdiType, "")
 	if err != nil {
 		ui.Error(fmt.Sprintf("Error attaching VDI '%s': '%s'", vdiUuid, err.Error()))
 		return multistep.ActionHalt
diff --git a/builder/xenserver/iso/step_create_instance.go b/builder/xenserver/iso/step_create_instance.go
index faa1055..fc082f6 100644
--- a/builder/xenserver/iso/step_create_instance.go
+++ b/builder/xenserver/iso/step_create_instance.go
@@ -50,7 +50,7 @@ func (self *stepCreateInstance) Run(state multistep.StateBag) multistep.StepActi
 		return multistep.ActionHalt
 	}
 
-	err = instance.SetStaticMemoryRange(config.VMMemory*1024*1024, config.VMMemory*1024*1024)
+	err = instance.SetStaticMemoryRange(uint64(config.VMMemory*1024*1024), uint64(config.VMMemory*1024*1024))
 	if err != nil {
 		ui.Error(fmt.Sprintf("Error setting VM memory=%d: %s", config.VMMemory*1024*1024, err.Error()))
 		return multistep.ActionHalt
@@ -77,7 +77,7 @@ func (self *stepCreateInstance) Run(state multistep.StateBag) multistep.StepActi
 	}
 	self.vdi = vdi
 
-	err = instance.ConnectVdi(vdi, xsclient.Disk)
+	err = instance.ConnectVdi(vdi, xsclient.Disk, "")
 	if err != nil {
 		ui.Error(fmt.Sprintf("Unable to connect packer disk VDI: %s", err.Error()))
 		return multistep.ActionHalt