diff --git a/builder/virtualbox/iso/builder.go b/builder/virtualbox/iso/builder.go
index fc5ed095b..753505263 100644
--- a/builder/virtualbox/iso/builder.go
+++ b/builder/virtualbox/iso/builder.go
@@ -77,6 +77,7 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 	errs = packer.MultiErrorAppend(
 		errs, b.config.OutputConfig.Prepare(b.config.tpl, &b.config.PackerConfig)...)
 	errs = packer.MultiErrorAppend(errs, b.config.RunConfig.Prepare(b.config.tpl)...)
+	errs = packer.MultiErrorAppend(errs, b.config.ShutdownConfig.Prepare(b.config.tpl)...)
 	errs = packer.MultiErrorAppend(errs, b.config.SSHConfig.Prepare(b.config.tpl)...)
 	errs = packer.MultiErrorAppend(errs, b.config.VBoxManageConfig.Prepare(b.config.tpl)...)
 	errs = packer.MultiErrorAppend(errs, b.config.VBoxVersionConfig.Prepare(b.config.tpl)...)