From fddcd71eaf8cc287ea9e674997dd6ee0f1ab2803 Mon Sep 17 00:00:00 2001
From: Brian Cain <bcain@hashicorp.com>
Date: Fri, 17 Jan 2020 13:14:52 -0800
Subject: [PATCH] Default to vdi since virtualbox default is vdi

---
 plugins/kernel_v2/config/disk.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/kernel_v2/config/disk.rb b/plugins/kernel_v2/config/disk.rb
index ead05023c..e443f5f8a 100644
--- a/plugins/kernel_v2/config/disk.rb
+++ b/plugins/kernel_v2/config/disk.rb
@@ -108,7 +108,7 @@ module VagrantPlugins
         @size = nil if @size == UNSET_VALUE
         @file = nil if @file == UNSET_VALUE
 
-        @disk_ext = "vmdk" if @disk_ext == UNSET_VALUE
+        @disk_ext = "vdi" if @disk_ext == UNSET_VALUE
 
         if @primary == UNSET_VALUE
           @primary = false