diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index fc687e3..1655bb1 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -10,7 +10,7 @@
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT=y
 CONFIG_FIT_SIGNATURE=y
-CONFIG_FIT_ENABLE_RSASSA_PSS_SUPPORT=y
+CONFIG_FIT_RSASSA_PSS=y
 CONFIG_FIT_CIPHER=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_BOOTSTAGE=y