diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c
index cc9df7e64a40..6d7abb1636e7 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c
@@ -1645,7 +1645,7 @@ static bool io_zcrx_queue_cqe(struct io_kiocb *req, struct net_iov *niov,
 		cqe->flags |= IORING_CQE_F_32;
 
 	area = io_zcrx_iov_to_area(niov);
-	offset = off + (net_iov_idx(niov) << ifq->niov_shift);
+	offset = off + ((u64)net_iov_idx(niov) << ifq->niov_shift);
 	rcqe = (struct io_uring_zcrx_cqe *)(cqe + 1);
 	rcqe->off = offset + zcrx_area_id_to_token(area->area_id);
 	rcqe->__pad = 0;