diff --git a/tf_config/fvp-spm-tbb-dualroot b/tf_config/fvp-spm-tbb-dualroot
index 6a23ac0..6c87551 100644
--- a/tf_config/fvp-spm-tbb-dualroot
+++ b/tf_config/fvp-spm-tbb-dualroot
@@ -17,3 +17,4 @@
 USE_ROMLIB=1
 GIC_EXT_INTID=1
 PLAT_TEST_SPM=1
+FVP_TRUSTED_SRAM_SIZE=384