diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 0c04688..0662b18 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -413,7 +413,8 @@
 		return -EINVAL;
 
 	auth = ahash_attr_alg(tb[1], CRYPTO_ALG_TYPE_HASH,
-			       CRYPTO_ALG_TYPE_AHASH_MASK);
+			      CRYPTO_ALG_TYPE_AHASH_MASK |
+			      crypto_requires_sync(algt->type, algt->mask));
 	if (IS_ERR(auth))
 		return PTR_ERR(auth);
 
@@ -456,7 +457,8 @@
 		     enc->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
 		goto err_drop_enc;
 
-	inst->alg.base.cra_flags = enc->cra_flags & CRYPTO_ALG_ASYNC;
+	inst->alg.base.cra_flags = (auth_base->cra_flags | enc->cra_flags) &
+				   CRYPTO_ALG_ASYNC;
 	inst->alg.base.cra_priority = enc->cra_priority * 10 +
 				      auth_base->cra_priority;
 	inst->alg.base.cra_blocksize = enc->cra_blocksize;