diff --git a/lib/openmsx/boot_setting.xml b/lib/openmsx/boot_setting.xml
index 7998b8b..82e6b6b 100644
--- a/lib/openmsx/boot_setting.xml
+++ b/lib/openmsx/boot_setting.xml
@@ -1,6 +1,7 @@
 <!DOCTYPE settings SYSTEM 'settings.dtd'>
 <settings>
   <settings>
+    <setting id="sound_driver">null</setting>
   </settings>
   <bindings/>
 </settings>