diff --git a/configs/P2041RDB_SPIFLASH_defconfig b/configs/P2041RDB_SPIFLASH_defconfig
index 3a19e4d..76cabd3 100644
--- a/configs/P2041RDB_SPIFLASH_defconfig
+++ b/configs/P2041RDB_SPIFLASH_defconfig
@@ -8,6 +8,7 @@
 CONFIG_MPC85xx=y
 CONFIG_TARGET_P2041RDB=y
 CONFIG_MPC85XX_HAVE_RESET_VECTOR=y
+CONFIG_ENABLE_36BIT_PHYS=y
 CONFIG_MP=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y