diff --git a/ssl/tls13_client.c b/ssl/tls13_client.c
index ee82535..4a30ce3 100644
--- a/ssl/tls13_client.c
+++ b/ssl/tls13_client.c
@@ -241,8 +241,8 @@
       return ssl_hs_error;
     }
 
-    if (ssl->session->cipher != cipher) {
-      OPENSSL_PUT_ERROR(SSL, SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED);
+    if (ssl->session->cipher->algorithm_prf != cipher->algorithm_prf) {
+      OPENSSL_PUT_ERROR(SSL, SSL_R_OLD_SESSION_PRF_HASH_MISMATCH);
       ssl3_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_ILLEGAL_PARAMETER);
       return ssl_hs_error;
     }