diff --git a/configs/B4860QDS_SECURE_BOOT_defconfig b/configs/B4860QDS_SECURE_BOOT_defconfig
index c6e560d..75124a8 100644
--- a/configs/B4860QDS_SECURE_BOOT_defconfig
+++ b/configs/B4860QDS_SECURE_BOOT_defconfig
@@ -27,4 +27,5 @@
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_RSA=y
+CONFIG_SPL_RSA=y
 CONFIG_OF_LIBFDT=y