diff --git a/lib/shared/sdk/usbboot/index.js b/lib/shared/sdk/usbboot/index.js
index dfb32efe..efa895b8 100644
--- a/lib/shared/sdk/usbboot/index.js
+++ b/lib/shared/sdk/usbboot/index.js
@@ -273,6 +273,11 @@ class USBBootAdapter extends EventEmitter {
       }
 
       result.progress = this.progress[result.raw]
+
+      if (result.progress === utils.PERCENTAGE_MAXIMUM) {
+        return Bluebird.delay(DEVICE_REBOOT_DELAY).return(result)
+      }
+
       return result
 
     // See http://bluebirdjs.com/docs/api/promise.map.html