diff --git a/src/lib/Kconfig b/src/lib/Kconfig
index 41df1f1..0f18425 100644
--- a/src/lib/Kconfig
+++ b/src/lib/Kconfig
@@ -70,7 +70,7 @@
 
 config HWBASE_DEFAULT_MMCONF
 	hex
-	default MMCONF_BASE_ADDRESS
+	default ECAM_MMCONF_BASE_ADDRESS
 
 config HWBASE_DIRECT_PCIDEV
 	def_bool y