diff --git a/src/libsodium/crypto_sign/ed25519/ref10/open.c b/src/libsodium/crypto_sign/ed25519/ref10/open.c
index 1c32c437..29d94b23 100644
--- a/src/libsodium/crypto_sign/ed25519/ref10/open.c
+++ b/src/libsodium/crypto_sign/ed25519/ref10/open.c
@@ -10,9 +10,9 @@ int crypto_sign_open(
   const unsigned char *pk
 )
 {
-  unsigned char d = 0;
   unsigned char h[64];
   unsigned char checkr[32];
+  unsigned char d = 0;
   ge_p3 A;
   ge_p2 R;
   unsigned long long i;