diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 8ae8a56..0190ee5 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -27,10 +27,12 @@
 
 #include <string.h>
 
-#include "ssl_misc.h"
 #include "mbedtls/debug.h"
 #include "mbedtls/error.h"
 
+#include "ssl_misc.h"
+#include "ecdh_misc.h"
+
 #define CLIENT_HELLO_RANDOM_LEN 32
 
 /* Write extensions */