diff --git a/meta-facebook/conf/machine/include/facebook.inc b/meta-facebook/conf/machine/include/facebook.inc
index 4951a60..47b641d 100644
--- a/meta-facebook/conf/machine/include/facebook.inc
+++ b/meta-facebook/conf/machine/include/facebook.inc
@@ -16,3 +16,5 @@
 
 IMAGE_FEATURES:remove = "obmc-ikvm"
 
+# Most of our hardware uses the default ttyS4 but at 57600.
+SERIAL_CONSOLES:facebook = "57600;ttyS4"