diff --git a/configs/P5040DS_defconfig b/configs/P5040DS_defconfig
index ae5f7b7..68573a5 100644
--- a/configs/P5040DS_defconfig
+++ b/configs/P5040DS_defconfig
@@ -9,6 +9,7 @@
 CONFIG_TARGET_P5040DS=y
 CONFIG_MPC85XX_HAVE_RESET_VECTOR=y
 CONFIG_ENABLE_36BIT_PHYS=y
+CONFIG_SYS_BOOK3E_HV=y
 CONFIG_PCIE1=y
 CONFIG_PCIE2=y
 CONFIG_PCIE3=y