diff --git a/configs/T4240RDB_SDCARD_defconfig b/configs/T4240RDB_SDCARD_defconfig
index 3e43f9b..639cb80 100644
--- a/configs/T4240RDB_SDCARD_defconfig
+++ b/configs/T4240RDB_SDCARD_defconfig
@@ -17,6 +17,7 @@
 CONFIG_MPC85xx=y
 CONFIG_TARGET_T4240RDB=y
 CONFIG_ENABLE_36BIT_PHYS=y
+CONFIG_SYS_BOOK3E_HV=y
 CONFIG_SYS_MPC85XX_NO_RESETVEC=y
 <<<<<<< HEAD
 =======