diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index 6c42b73..6995f47 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -1003,8 +1003,8 @@
 
 #if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_PSK_ENABLED)
 MBEDTLS_CHECK_RETURN_CRITICAL
-static int ssl_tls13_ticket_permission_check(mbedtls_ssl_context *ssl,
-                                             unsigned int kex_mode)
+static int ssl_tls13_ticket_is_kex_mode_permitted(mbedtls_ssl_context *ssl,
+                                                  unsigned int kex_mode)
 {
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
     if (ssl->handshake->resume) {
@@ -1037,7 +1037,7 @@
 static int ssl_tls13_key_exchange_psk_available(mbedtls_ssl_context *ssl)
 {
 #if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ENABLED)
-    return ssl_tls13_ticket_permission_check(
+    return ssl_tls13_ticket_is_kex_mode_permitted(
         ssl, MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK) &&
            mbedtls_ssl_conf_tls13_psk_enabled(ssl) &&
            mbedtls_ssl_tls13_psk_enabled(ssl) &&
@@ -1052,7 +1052,7 @@
 static int ssl_tls13_key_exchange_psk_ephemeral_available(mbedtls_ssl_context *ssl)
 {
 #if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED)
-    return ssl_tls13_ticket_permission_check(
+    return ssl_tls13_ticket_is_kex_mode_permitted(
         ssl, MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL) &&
            mbedtls_ssl_conf_tls13_psk_ephemeral_enabled(ssl) &&
            mbedtls_ssl_tls13_psk_ephemeral_enabled(ssl) &&