diff --git a/configs/P5020DS_defconfig b/configs/P5020DS_defconfig
index d1c5c72..0ea13fb 100644
--- a/configs/P5020DS_defconfig
+++ b/configs/P5020DS_defconfig
@@ -1,3 +1,4 @@
 CONFIG_PPC=y
 CONFIG_MPC85xx=y
 CONFIG_TARGET_P5020DS=y
+CONFIG_CMD_SETEXPR=y