diff --git a/non-nettle.h b/non-nettle.h
index 4da0cdde3f0683ffd8f61829bd25cfe61e5f0d5e..91670847ca13f0cbb15577e5d406d6b0ccfe70d4 100644
--- a/non-nettle.h
+++ b/non-nettle.h
@@ -33,7 +33,7 @@
 */
 
 #ifndef NETTLE_NON_NETTLE_H_INCLUDED
-#define NETTLE_INTERNAL_H_INCLUDED
+#define NETTLE_NON_NETTLE_H_INCLUDED
 
 #include "nettle-meta.h"
 #include "ocb.h"
@@ -92,4 +92,4 @@ struct ocb_aes128_ctx
 extern const struct nettle_aead nettle_ocb_aes128;
 
 
-#endif /* NETTLE_INTERNAL_H_INCLUDED */
+#endif /* NETTLE_NON_NETTLE_H_INCLUDED */