diff --git a/tftf_config/fvp-rdn2cfg3-default b/tftf_config/fvp-rdn2cfg3-default
index f5bbda1..ae2117c 100644
--- a/tftf_config/fvp-rdn2cfg3-default
+++ b/tftf_config/fvp-rdn2cfg3-default
@@ -1,3 +1,3 @@
 CROSS_COMPILE=aarch64-none-elf-
-CSS_SGI_PLATFORM_VARIANT=3
+NRD_PLATFORM_VARIANT=3
 PLAT=rdn2