diff --git a/mk/virtualbox.mk b/mk/virtualbox.mk
index 2ee14ddd2..434adf53b 100644
--- a/mk/virtualbox.mk
+++ b/mk/virtualbox.mk
@@ -31,6 +31,7 @@ virtualbox: $(BUILD)/harddrive.img
 	$(VBM) modifyvm Redox --mouse ps2
 	$(VBM) modifyvm Redox --audio $(VB_AUDIO)
 	$(VBM) modifyvm Redox --audiocontroller hda
+	$(VBM) modifyvm Redox --audioout on
 	$(VBM) modifyvm Redox --nestedpaging on
 	echo "Create Disk"
 	$(VBM) convertfromraw $< $(BUILD)/harddrive.vdi