1 files changed, 2 insertions, 1 deletions
diff --git a/src/mac/hmac/hmac.h b/src/mac/hmac/hmac.h
index 3941baef9..33af62f6a 100644
--- a/src/mac/hmac/hmac.h
+++ b/src/mac/hmac/hmac.h
@@ -31,7 +31,8 @@ class BOTAN_DLL HMAC : public MessageAuthenticationCode
    private:
       void add_data(const byte[], size_t);
       void final_result(byte[]);
-      void key_schedule(const byte[], u32bit);
+      void key_schedule(const byte[], size_t);
+
       HashFunction* hash;
       SecureVector<byte> i_key, o_key;
    };