diff --git a/ed25519.c b/ed25519.c
index c7c861b..9c9879c 100644
--- a/ed25519.c
+++ b/ed25519.c
@@ -2,6 +2,7 @@
 
 /* Public Domain, from supercop-20130419/crypto_sign/ed25519/ref/ed25519.c */
 
+#include "includes.h"
 #include "crypto_api.h"
 
 #include "ge25519.h"