diff --git a/crypto/twofish.c b/crypto/twofish.c
index b501d5a..a26d885 100644
--- a/crypto/twofish.c
+++ b/crypto/twofish.c
@@ -879,6 +879,7 @@
 	.cra_flags          =   CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize      =   TF_BLOCK_SIZE,
 	.cra_ctxsize        =   sizeof(struct twofish_ctx),
+	.cra_alignmask      =	3,
 	.cra_module         =   THIS_MODULE,
 	.cra_list           =   LIST_HEAD_INIT(alg.cra_list),
 	.cra_u              =   { .cipher = {