diff --git a/spec/kitchen/driver/vagrant_spec.rb b/spec/kitchen/driver/vagrant_spec.rb
index bc4a817..cc047d3 100644
--- a/spec/kitchen/driver/vagrant_spec.rb
+++ b/spec/kitchen/driver/vagrant_spec.rb
@@ -1483,6 +1483,26 @@ def run_command(_cmd, options = {})
           end
         RUBY
       end
+
+      it "adds lines for multiple setextradata in :customize and quotes only string values" do
+        config[:customize] = {
+          setextradata: {
+            "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC": 0,
+            "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion": "1.0"
+          },
+        }
+        cmd
+
+        expect(vagrantfile).to match(Regexp.new(<<-RUBY.gsub(/^ {8}/, "").chomp))
+          c.vm.provider :virtualbox do |p|
+            p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99-.*"
+            p.customize ["modifyvm", :id, "--audio", "none"]
+            p.customize ["setextradata", :id, "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC", 0] 
+            p.customize ["setextradata", :id, "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion", "1.0"] 
+          end
+        RUBY
+      end
+
     end
 
     context "for parallels provider" do
diff --git a/templates/Vagrantfile.erb b/templates/Vagrantfile.erb
index 3849000..898aeb9 100644
--- a/templates/Vagrantfile.erb
+++ b/templates/Vagrantfile.erb
@@ -201,6 +201,11 @@ Vagrant.configure("2") do |c|
            ids << "\"#{id}\""
          end %>
     p.customize ["modifyvm", :id, "--cpuidset", <%= ids.join(', ') %>]
+    <% elsif key == :setextradata %>
+      <% value.each do | data_key, data_value |  %>
+      <% data_value = "\"#{data_value}\"" if data_value.is_a? String %>
+    p.customize ["setextradata", :id, "<%= data_key %>", <%= data_value %>] 
+      <% end %>
     <% else %>
     p.customize ["modifyvm", :id, "--<%= key %>", "<%= value %>"]
     <% end %>