diff --git a/stage2/01-sys-tweaks/files/rc.local b/stage2/01-sys-tweaks/files/rc.local
index cc52945..7d4eee2 100755
--- a/stage2/01-sys-tweaks/files/rc.local
+++ b/stage2/01-sys-tweaks/files/rc.local
@@ -19,7 +19,7 @@ fi
 
 # run an rc.local.txt from the boot partition, if one exists.
 if [ -e /boot/rc.local.txt ]; then
-  source /boot/rc.local.txt
+  . /boot/rc.local.txt
 fi
 
 exit 0