diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c
index 1ce867c68446..b8f15439d5df 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c
@@ -384,7 +384,7 @@ static int io_allocate_rbuf_ring(struct io_ring_ctx *ctx,
 		return -EINVAL;
 
 	mmap_offset = IORING_MAP_OFF_ZCRX_REGION;
-	mmap_offset += id << IORING_OFF_PBUF_SHIFT;
+	mmap_offset += (u64)id << IORING_OFF_PBUF_SHIFT;
 
 	ret = io_create_region(ctx, &ifq->rq_region, rd, mmap_offset);
 	if (ret < 0)