diff --git a/conf/machine/am335x-evm.conf b/conf/machine/am335x-evm.conf
index 55bbf951..9013c7cd 100644
--- a/conf/machine/am335x-evm.conf
+++ b/conf/machine/am335x-evm.conf
@@ -11,7 +11,9 @@ MACHINE_FEATURES += "touchscreen"
 
 IMAGE_FSTYPES += "ubi tar.gz"
 
-SERIAL_CONSOLE = "115200 ttyO0"
+SERIAL_CONSOLE = ""
+SERIAL_CONSOLES = "115200;ttyO0 115200;ttyO3"
+SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
 
 # UBI information.  Note that this is board and kernel specific.  Changes
 # in your kernel port may require changes in these variables.  For more