diff --git a/configs/am335x_shc_sdboot_defconfig b/configs/am335x_shc_sdboot_defconfig
index 182d5e6..8d3b853 100644
--- a/configs/am335x_shc_sdboot_defconfig
+++ b/configs/am335x_shc_sdboot_defconfig
@@ -1,5 +1,6 @@
 CONFIG_ARM=y
 CONFIG_TARGET_AM335X_SHC=y
+CONFIG_SPL_EXT_SUPPORT=y
 CONFIG_SHC_SDBOOT=y
 CONFIG_SERIES=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000