diff --git a/vagrant/rackhd/Vagrantfile b/vagrant/rackhd/Vagrantfile
index 95277f2..6d453b6 100644
--- a/vagrant/rackhd/Vagrantfile
+++ b/vagrant/rackhd/Vagrantfile
@@ -24,10 +24,15 @@ Vagrant.configure("2") do |config|
 
   config.vm.provision "shell", path: "bootstrap.sh"
 
-  # set auto_update to false, if you do NOT want to check the correct
-  # additions version when booting this machine
-  config.vbguest.auto_update = true
+  if Vagrant.has_plugin?("vagrant-vbguest")
+    # vagrant plugin install --verbose vagrant-vbguest
+    # set auto_update to false, if you do NOT want to check the correct
+    # additions version when booting this machine
+    # see also https://github.com/dotless-de/vagrant-vbguest
+    config.vbguest.auto_update = true
+
+    # do NOT download the iso file from a webserver
+    config.vbguest.no_remote = true
+  end
 
-  # do NOT download the iso file from a webserver
-  config.vbguest.no_remote = true
 end
diff --git a/vagrant/voyager/vagrantfile b/vagrant/voyager/vagrantfile
index 5c942fb..1aa237e 100644
--- a/vagrant/voyager/vagrantfile
+++ b/vagrant/voyager/vagrantfile
@@ -18,10 +18,15 @@ Vagrant.configure(2) do |config|
   config.vm.provision "file", source: "../../docker/docker-compose.yml", destination: "docker-compose.yml"
   config.vm.provision "shell", path: "bootstrap.sh"
 
-  # set auto_update to false, if you do NOT want to check the correct
-  # additions version when booting this machine
-  config.vbguest.auto_update = true
+  if Vagrant.has_plugin?("vagrant-vbguest")
+    # vagrant plugin install --verbose vagrant-vbguest
+    # set auto_update to false, if you do NOT want to check the correct
+    # additions version when booting this machine
+    # see also https://github.com/dotless-de/vagrant-vbguest
+    config.vbguest.auto_update = true
+
+    # do NOT download the iso file from a webserver
+    config.vbguest.no_remote = true
+  end
 
-  # do NOT download the iso file from a webserver
-  config.vbguest.no_remote = true
 end