diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig
index e106d75..782ce22 100644
--- a/src/soc/intel/alderlake/Kconfig
+++ b/src/soc/intel/alderlake/Kconfig
@@ -386,7 +386,7 @@
 
 config CONSOLE_CBMEM_BUFFER_SIZE
 	hex
-	default 0x100000 if CONSOLE_SERIAL
+	default 0x100000 if BUILDING_WITH_DEBUG_FSP
 	default 0x40000
 
 config FSP_TYPE_IOT