diff --git a/crypto/tls-cipher-suites.c b/crypto/tls-cipher-suites.c
index 0d305b684b..55fb5f7c19 100644
--- a/crypto/tls-cipher-suites.c
+++ b/crypto/tls-cipher-suites.c
@@ -108,7 +108,7 @@ static void qcrypto_tls_cipher_suites_class_init(ObjectClass *oc, void *data)
 static const TypeInfo qcrypto_tls_cipher_suites_info = {
     .parent = TYPE_QCRYPTO_TLS_CREDS,
     .name = TYPE_QCRYPTO_TLS_CIPHER_SUITES,
-    .instance_size = sizeof(QCryptoTLSCreds),
+    .instance_size = sizeof(QCryptoTLSCipherSuites),
     .class_size = sizeof(QCryptoTLSCredsClass),
     .class_init = qcrypto_tls_cipher_suites_class_init,
     .interfaces = (InterfaceInfo[]) {