diff --git a/scripts/Build-Pkg b/scripts/Build-Pkg
index b68d67d39..b903a93e2 100755
--- a/scripts/Build-Pkg
+++ b/scripts/Build-Pkg
@@ -195,6 +195,7 @@ if [ "$chroot" = 1 ] ; then
 	x_mknod dev/loop/2   b 7 2 
 	x_mknod dev/loop/3   b 7 3 
 	x_mknod dev/tty      c 5 0
+	x_mknod dev/ptmx     c 5 2
 
 	if [ ! -L dev/fd ]; then
 		ln -s /proc/self/fd dev/fd