diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 942d705..ec2ac69 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -11985,6 +11985,19 @@
             -s "parse ServerName extension" \
             -s "HTTP/1.0 200 OK"
 
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_SSL_CLI_C
+run_test    "TLS 1.3, default suite, PSK" \
+            "$P_SRV nbio=2 debug_level=5 force_version=tls13 psk=010203 psk_identity=0a0b0c tls13_kex_modes=psk" \
+            "$P_CLI nbio=2 debug_level=5 force_version=tls13 psk=010203 psk_identity=0a0b0c tls13_kex_modes=psk" \
+            1 \
+            -c "=> write client hello" \
+            -c "client hello, adding pre_shared_key extension, omitting PSK binder list" \
+            -c "client hello, adding psk_key_exchange_modes extension" \
+            -c "client hello, adding PSK binder list" \
+            -c "<= write client hello"
+
 for i in opt-testcases/*.sh
 do
     TEST_SUITE_NAME=${i##*/}