1 files changed, 3 insertions, 1 deletions
diff --git a/src/block/serpent/serpent.h b/src/block/serpent/serpent.h
index 33bd747cd..df3f039aa 100644
--- a/src/block/serpent/serpent.h
+++ b/src/block/serpent/serpent.h
@@ -39,7 +39,9 @@ class BOTAN_DLL Serpent : public Block_Cipher_Fixed_Params<16, 16, 32, 8>
       * @param ks is the new key schedule value to set
       */
       void set_round_keys(const u32bit ks[132])
-         { round_key.set(ks, 132); }
+         {
+         copy_mem(&round_key[0], ks, 132);
+         }
 
    private:
       void key_schedule(const byte key[], size_t length);