diff --git a/tf_config/fvp-spm-optee-sp b/tf_config/fvp-spm-optee-sp
index 95fc011..caed5fb 100644
--- a/tf_config/fvp-spm-optee-sp
+++ b/tf_config/fvp-spm-optee-sp
@@ -1,5 +1,6 @@
 ARM_ARCH_MINOR=5
 CTX_INCLUDE_PAUTH_REGS=1
+CTX_INCLUDE_MTE_REGS=1
 BRANCH_PROTECTION=1
 ARM_SPMC_MANIFEST_DTS=plat/arm/board/fvp/fdts/fvp_spmc_optee_sp_manifest.dts
 CROSS_COMPILE=aarch64-none-elf-