diff --git a/qemu_v8.mk b/qemu_v8.mk
index 302f8d14..fe1869bb 100644
--- a/qemu_v8.mk
+++ b/qemu_v8.mk
@@ -342,7 +342,7 @@ OPTEE_OS_COMMON_FLAGS_SPMC_AT_EL_3 += CFG_DT_ADDR=0x40000000
 OPTEE_OS_COMMON_FLAGS_SPMC_AT_EL_3 += CFG_CORE_RESERVED_SHM=n
 
 ifeq ($(XEN_BOOT),y)
-OPTEE_OS_COMMON_FLAGS += CFG_VIRTUALIZATION=y
+OPTEE_OS_COMMON_FLAGS += CFG_NS_VIRTUALIZATION=y
 endif
 
 ifeq ($(PAUTH),y)