diff --git a/t/40_tls13.only.t b/t/40_tls13.only.t
index e233d0b..b100c4c 100755
--- a/t/40_tls13.only.t
+++ b/t/40_tls13.only.t
@@ -66,7 +66,7 @@ fi
 # Start OpenSSL server
 echo "Starting server on port $PORT..."
 # $OPENSSL s_server -accept "$IP:$PORT" -cert "$CERT" -key "$KEY" -tls1_3 -ciphersuites "$CIPHER_SUITE"
-RUNNER_TRACKING_ID="" && $OPENSSL s_server -accept "$IP:$PORT" -cert "$CERT" -key "$KEY" -tls1_3 -naccept 4242
+env -u RUNNER_TRACKING_ID $OPENSSL s_server -accept "$IP:$PORT" -cert "$CERT" -key "$KEY" -tls1_3 -ign_eof 2>&1
 
 HEREDOC