1 files changed, 2 insertions, 2 deletions
diff --git a/src/block/lubyrack/lubyrack.h b/src/block/lubyrack/lubyrack.h
index a69d2302f..c20af950d 100644
--- a/src/block/lubyrack/lubyrack.h
+++ b/src/block/lubyrack/lubyrack.h
@@ -19,8 +19,8 @@ namespace Botan {
 class BOTAN_DLL LubyRackoff : public BlockCipher
    {
    public:
-      void encrypt_n(const byte in[], byte out[], u32bit blocks) const;
-      void decrypt_n(const byte in[], byte out[], u32bit blocks) const;
+      void encrypt_n(const byte in[], byte out[], size_t blocks) const;
+      void decrypt_n(const byte in[], byte out[], size_t blocks) const;
 
       void clear();
       std::string name() const;