diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index 5e74083..b5f3ad7 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -19,9 +19,7 @@
 
 #include "common.h"
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-
-#if defined(MBEDTLS_SSL_SRV_C)
+#if defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_SSL_PROTO_TLS1_3)
 
 #include "mbedtls/debug.h"
 
@@ -38,6 +36,4 @@
     return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
 }
 
-#endif /* MBEDTLS_SSL_SRV_C */
-
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
+#endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_SSL_PROTO_TLS1_3 */