diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 8d0f2ee24e0c..deb2a844f568 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -1477,7 +1477,7 @@ static int io_vec_fill_bvec(int ddir, struct iov_iter *iter,
 				struct iovec *iovec, unsigned nr_iovs,
 				struct iou_vec *vec)
 {
-	unsigned long folio_size = 1 << imu->folio_shift;
+	unsigned long folio_size = 1UL << imu->folio_shift;
 	unsigned long folio_mask = folio_size - 1;
 	struct bio_vec *res_bvec = vec->bvec;
 	size_t total_len = 0;