diff --git a/sys/lib/dist/pc/plan9.ini.cd b/sys/lib/dist/pc/plan9.ini.cd
index 1828f9b33..0b908415a 100644
--- a/sys/lib/dist/pc/plan9.ini.cd
+++ b/sys/lib/dist/pc/plan9.ini.cd
@@ -5,3 +5,4 @@ monitor=ask
 vgasize=ask
 cdboot=yes
 bootfile=/386/9pcf
+*nomp=1