diff --git a/src/libsodium/include/sodium/crypto_onetimeauth_poly1305.h b/src/libsodium/include/sodium/crypto_onetimeauth_poly1305.h
index f3e34d86..1565d37a 100644
--- a/src/libsodium/include/sodium/crypto_onetimeauth_poly1305.h
+++ b/src/libsodium/include/sodium/crypto_onetimeauth_poly1305.h
@@ -1,13 +1,6 @@
 #ifndef crypto_onetimeauth_poly1305_H
 #define crypto_onetimeauth_poly1305_H
 
-#ifdef __cplusplus
-# ifdef __GNUC__
-#  pragma GCC diagnostic ignored "-Wlong-long"
-# endif
-extern "C" {
-#endif
-
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -16,6 +9,13 @@ extern "C" {
 
 #include "export.h"
 
+#ifdef __cplusplus
+# ifdef __GNUC__
+#  pragma GCC diagnostic ignored "-Wlong-long"
+# endif
+extern "C" {
+#endif
+
 typedef struct CRYPTO_ALIGN(16) crypto_onetimeauth_poly1305_state {
     unsigned char opaque[256];
 } crypto_onetimeauth_poly1305_state;