diff --git a/init/Kconfig b/init/Kconfig
index b331feeabda4..0a615bdc203a 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -822,7 +822,8 @@ config IKCONFIG_PROC
 
 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