diff --git a/files/image_config/platform/rc.local b/files/image_config/platform/rc.local
index 8692ff6484..15dec204eb 100755
--- a/files/image_config/platform/rc.local
+++ b/files/image_config/platform/rc.local
@@ -182,7 +182,7 @@ value_extract() {
 
 program_console_speed()
 {
-    speed=$(cat /proc/cmdline | grep -Eo 'console=ttyS[0-9]+,[0-9]+' | cut -d "," -f2)
+    speed=$(cat /proc/cmdline | grep -Eo 'console=tty(S|AMA)[0-9]+,[0-9]+' | cut -d "," -f2)
     if [ -z "$speed" ]; then
         CONSOLE_SPEED=9600
     else