diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index fa3243d71c76d0b9f14dde9066a2bff60a18165c..1386749b48ffd6e2711316a9083e913c560eabb6 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -499,6 +499,7 @@ config RAW_DRIVER
 config MAX_RAW_DEVS
 	int "Maximum number of RAW devices to support (1-65536)"
 	depends on RAW_DRIVER
+	range 1 65536
 	default "256"
 	help
 	  The maximum number of RAW devices that are supported.