diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index f0d50d4..8e72bbf 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2166,8 +2166,9 @@
     # Configure
     # ---------
 
-    # Start from default config (no TLS 1.3, no USE_PSA)
+    # Start from default config (no USE_PSA) + TLS 1.3
     helper_libtestdriver1_adjust_config "default"
+    scripts/config.py set MBEDTLS_SSL_PROTO_TLS1_3
 
     # Disable the module that's accelerated
     scripts/config.py unset MBEDTLS_ECDSA_C