diff --git a/init/Kconfig b/init/Kconfig
index a46aa8f3174d..485f7e53a8a5 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -654,7 +654,8 @@ config IKHEADERS
 
 config LOG_BUF_SHIFT
 	int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
-	range 12 25
+	range 12 25 if !H8300
+	range 12 19 if H8300
 	default 17
 	depends on PRINTK
 	help