diff --git a/builder/parallels/common/step_attach_parallels_tools.go b/builder/parallels/common/step_attach_parallels_tools.go
index b80ddd87e..f681a83f1 100644
--- a/builder/parallels/common/step_attach_parallels_tools.go
+++ b/builder/parallels/common/step_attach_parallels_tools.go
@@ -17,8 +17,8 @@ import (
 //   vmName string
 //
 // Produces:
-//   attachedToolsIso boolean
 type StepAttachParallelsTools struct {
+	cdromDevice        string
 	ParallelsToolsMode string
 }
 
@@ -37,27 +37,25 @@ func (s *StepAttachParallelsTools) Run(state multistep.StateBag) multistep.StepA
 	parallelsToolsPath := state.Get("parallels_tools_path").(string)
 
 	// Attach the guest additions to the computer
-	ui.Say("Attaching Parallels Tools ISO onto IDE controller...")
-	command := []string{
-		"set", vmName,
-		"--device-add", "cdrom",
-		"--image", parallelsToolsPath,
-	}
-	if err := driver.Prlctl(command...); err != nil {
-		err := fmt.Errorf("Error attaching Parallels Tools: %s", err)
+	ui.Say("Attaching Parallels Tools ISO to the new CD/DVD drive...")
+
+	cdrom, err := driver.DeviceAddCdRom(vmName, parallelsToolsPath)
+
+	if err != nil {
+		err := fmt.Errorf("Error attaching Parallels Tools ISO: %s", err)
 		state.Put("error", err)
 		ui.Error(err.Error())
 		return multistep.ActionHalt
 	}
 
-	// Set some state so we know to remove
-	state.Put("attachedToolsIso", true)
+	// Track the device name so that we can can delete later
+	s.cdromDevice = cdrom
 
 	return multistep.ActionContinue
 }
 
 func (s *StepAttachParallelsTools) Cleanup(state multistep.StateBag) {
-	if _, ok := state.GetOk("attachedToolsIso"); !ok {
+	if s.cdromDevice == "" {
 		return
 	}
 
@@ -66,14 +64,10 @@ func (s *StepAttachParallelsTools) Cleanup(state multistep.StateBag) {
 	vmName := state.Get("vmName").(string)
 
 	log.Println("Detaching Parallels Tools ISO...")
-	cdDevice := "cdrom0"
-	if _, ok := state.GetOk("attachedIso"); ok {
-		cdDevice = "cdrom1"
-	}
 
 	command := []string{
 		"set", vmName,
-		"--device-del", cdDevice,
+		"--device-del", s.cdromDevice,
 	}
 
 	if err := driver.Prlctl(command...); err != nil {
diff --git a/builder/parallels/iso/step_attach_iso.go b/builder/parallels/iso/step_attach_iso.go
index 7f9f699ad..0541271ea 100644
--- a/builder/parallels/iso/step_attach_iso.go
+++ b/builder/parallels/iso/step_attach_iso.go
@@ -11,10 +11,14 @@ import (
 // This step attaches the ISO to the virtual machine.
 //
 // Uses:
+//   driver Driver
+//   isoPath string
+//   ui packer.Ui
+//   vmName string
 //
 // Produces:
 type stepAttachISO struct {
-	diskPath string
+	cdromDevice string
 }
 
 func (s *stepAttachISO) Run(state multistep.StateBag) multistep.StepAction {
@@ -24,41 +28,40 @@ func (s *stepAttachISO) Run(state multistep.StateBag) multistep.StepAction {
 	vmName := state.Get("vmName").(string)
 
 	// Attach the disk to the controller
-	ui.Say("Attaching ISO onto IDE controller...")
-	command := []string{
-		"set", vmName,
-		"--device-set", "cdrom0",
-		"--image", isoPath,
-		"--enable", "--connect",
-	}
-	if err := driver.Prlctl(command...); err != nil {
+	ui.Say("Attaching ISO to the new CD/DVD drive...")
+
+	cdrom, err := driver.DeviceAddCdRom(vmName, isoPath)
+
+	if err != nil {
 		err := fmt.Errorf("Error attaching ISO: %s", err)
 		state.Put("error", err)
 		ui.Error(err.Error())
 		return multistep.ActionHalt
 	}
 
-	// Set some state so we know to remove
-	state.Put("attachedIso", true)
+	// Track the device name so that we can can delete later
+	s.cdromDevice = cdrom
 
 	return multistep.ActionContinue
 }
 
 func (s *stepAttachISO) Cleanup(state multistep.StateBag) {
-	if _, ok := state.GetOk("attachedIso"); !ok {
+	if s.cdromDevice == "" {
 		return
 	}
 
 	driver := state.Get("driver").(parallelscommon.Driver)
+	ui := state.Get("ui").(packer.Ui)
 	vmName := state.Get("vmName").(string)
 
+	log.Println("Detaching ISO...")
+
 	command := []string{
 		"set", vmName,
-		"--device-set", "cdrom0",
-		"--enable", "--disconnect",
+		"--device-del", s.cdromDevice,
 	}
 
-	// Remove the ISO, ignore errors
-	log.Println("Detaching ISO...")
-	driver.Prlctl(command...)
+	if err := driver.Prlctl(command...); err != nil {
+		ui.Error(fmt.Sprintf("Error detaching ISO: %s", err))
+	}
 }