diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig
index 214829a..58b9051 100644
--- a/src/soc/intel/alderlake/Kconfig
+++ b/src/soc/intel/alderlake/Kconfig
@@ -203,7 +203,7 @@
 	help
 	  This option allows you to select MMIO Base Address of sideband bus.
 
-config MMCONF_BASE_ADDRESS
+config ECAM_MMCONF_BASE_ADDRESS
 	default 0xc0000000
 
 config CPU_BCLK_MHZ