diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index a753367..5832066 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -48,11 +48,11 @@
 	int "UART used for console"
 	depends on ARCH_SUNXI
 	default 2 if MACH_SUN5I
-	default 5 if MACH_SUN8I
+	default 5 if MACH_SUN8I_A23 || MACH_SUN8I_A33
 	default 1
 	help
 	  Configures the console index.
-	  For Allwinner SoC., default values are 2 for SUN5I and 5 for SUN8I.
+	  For Allwinner SoC., default values are 2 for SUN5I and 5 for A23/A33.
 	  Otherwise, the index equals 1.
 
 config DM_SERIAL