diff --git a/plugins/kernel_v2/config/vm.rb b/plugins/kernel_v2/config/vm.rb
index 13481ef15..edc47c39a 100644
--- a/plugins/kernel_v2/config/vm.rb
+++ b/plugins/kernel_v2/config/vm.rb
@@ -186,6 +186,7 @@ module VagrantPlugins
         options ||= {}
         options[:guestpath] = guestpath.to_s.gsub(/\/$/, '')
         options[:hostpath]  = hostpath
+        options[:disabled]  = options[:disabled] || false
         options = (@__synced_folders[options[:guestpath]] || {}).
           merge(options.dup)