diff --git a/tf_config/juno-tzmp-mbedtls-ecdsa-opteed b/tf_config/juno-tzmp-mbedtls-ecdsa-opteed
index ae2040c..765d632 100644
--- a/tf_config/juno-tzmp-mbedtls-ecdsa-opteed
+++ b/tf_config/juno-tzmp-mbedtls-ecdsa-opteed
@@ -10,3 +10,4 @@
 SPD=opteed
 TF_MBEDTLS_KEY_ALG=rsa+ecdsa
 TRUSTED_BOARD_BOOT=1
+USE_ROMLIB=1