diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index c5d0d9ada6..41dd491f70 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -2376,6 +2376,7 @@ requires_config_enabled MBEDTLS_ECP_DP_SECP256R1_ENABLED
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 requires_config_enabled MBEDTLS_DEBUG_C
 requires_config_enabled MBEDTLS_SSL_CLI_C
+requires_config_enabled MBEDTLS_SSL_SRV_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_hash_alg SHA_256
 run_test    "Single supported algorithm sending" \