diff --git a/configs/T4240RDB_defconfig b/configs/T4240RDB_defconfig
index 3a28c2a..c66b152 100644
--- a/configs/T4240RDB_defconfig
+++ b/configs/T4240RDB_defconfig
@@ -61,6 +61,7 @@
 CONFIG_PHY_GIGE=y
 CONFIG_E1000=y
 CONFIG_FMAN_ENET=y
+CONFIG_SYS_FMAN_FW_ADDR=0xEFF00000
 CONFIG_MII=y
 CONFIG_DM_PCI_COMPAT=y
 CONFIG_PCIE_FSL=y