diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 7333b41d4224..d6adc2614f69 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -175,7 +175,7 @@ config MOXA_INTELLIO
 
 config MOXA_SMARTIO
 	tristate "Moxa SmartIO support"
-	depends on SERIAL_NONSTANDARD
+	depends on SERIAL_NONSTANDARD && (BROKEN || !SPARC32)
 	help
 	  Say Y here if you have a Moxa SmartIO multiport serial card.