diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 22e6b147b4f..3846809b2ad 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -177,6 +177,7 @@ config SERIAL_TERMIOS
 config TTY_SIGINT
 	bool "Support SIGINT"
 	default n
+	select SIG_DEFAULT
 	select SIG_SIGKILL_ACTION
 	depends on SERIAL_TERMIOS
 	---help---
@@ -222,6 +223,7 @@ config TTY_SIGINT_CHAR
 config TTY_SIGTSTP
 	bool "Support SIGTSTP"
 	default n
+	select SIG_DEFAULT
 	select CONFIG_SIG_SIGSTOP_ACTION
 	depends on SERIAL_TERMIOS
 	---help---