diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 3b01db1..b93817a 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -2163,7 +2163,7 @@
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
 
-static inline int mbedtls_ssl_tls13_sig_alg_is_available_for_pk(
+static inline int mbedtls_ssl_tls13_check_sig_alg_cert_key_match(
                 mbedtls_ssl_context *ssl,
                 uint16_t sig_alg,
                 mbedtls_pk_context *key)
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index 3d5baa2..738b278 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -871,7 +871,7 @@
             continue;
         }
         if( mbedtls_ssl_sig_alg_is_supported( ssl, *sig_alg) &&
-            mbedtls_ssl_tls13_sig_alg_is_available_for_pk(
+            mbedtls_ssl_tls13_check_sig_alg_cert_key_match(
                                               ssl, *sig_alg, own_key ) )
         {
             *algorithm = *sig_alg;
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index 0ebad93..e75a778 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -390,7 +390,7 @@
             }
 
             MBEDTLS_SSL_DEBUG_MSG( 2,("Try get sig alg %04x",*sig_alg));
-            if( mbedtls_ssl_tls13_sig_alg_is_available_for_pk(
+            if( mbedtls_ssl_tls13_check_sig_alg_cert_key_match(
                     ssl, *sig_alg, &key_cert->cert->pk ) )
             {
                 ssl->handshake->key_cert = key_cert;