diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index ec78a04eb136..ed643ce12278 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -1058,7 +1058,7 @@ void af_alg_async_cb(struct crypto_async_request *_req, int err)
 	af_alg_free_resources(areq);
 	sock_put(sk);
 
-	iocb->ki_complete(iocb, err ? err : resultlen, 0);
+	iocb->ki_complete(iocb, err ? err : (int)resultlen, 0);
 }
 EXPORT_SYMBOL_GPL(af_alg_async_cb);