diff --git a/plat/arm/board/rdv1mc/platform.mk b/plat/arm/board/rdv1mc/platform.mk
index 92f7c10..176e0ef 100644
--- a/plat/arm/board/rdv1mc/platform.mk
+++ b/plat/arm/board/rdv1mc/platform.mk
@@ -74,3 +74,6 @@
  $(error "CSS_SGI_PLATFORM_VARIANT for RD-V1-MC should always be 0, \
      currently set to ${CSS_SGI_PLATFORM_VARIANT}.")
 endif
+
+# Enable the flag since RD-V1-MC has a system level cache
+NEOVERSE_Nx_EXTERNAL_LLC		:=	1