diff --git a/src/soc/amd/picasso/fsp_m_params.c b/src/soc/amd/picasso/fsp_m_params.c
index 6a5c074..6483394 100644
--- a/src/soc/amd/picasso/fsp_m_params.c
+++ b/src/soc/amd/picasso/fsp_m_params.c
@@ -19,7 +19,7 @@
 
 	mupd->FspmArchUpd.NvsBufferPtr = (uintptr_t)soc_fill_apob_cache();
 
-	mcfg->pci_express_base_addr = CONFIG_MMCONF_BASE_ADDRESS;
+	mcfg->pci_express_base_addr = CONFIG_ECAM_MMCONF_BASE_ADDRESS;
 	mcfg->tseg_size = CONFIG_SMM_TSEG_SIZE;
 	mcfg->serial_port_base = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
 	mcfg->serial_port_use_mmio = CONFIG(DRIVERS_UART_8250MEM);