diff --git a/src/prefetch/ocf_prefetch.c b/src/prefetch/ocf_prefetch.c
index 4ce9c4e3..e9caf3e9 100644
--- a/src/prefetch/ocf_prefetch.c
+++ b/src/prefetch/ocf_prefetch.c
@@ -111,9 +111,9 @@ static void ocf_prefetch_range(struct ocf_request *req, ocf_pf_id_t pf_id,
 		if (unlikely(!prefetch_req))
 			break;
 
+		prefetch_req->part_id = OCF_IO_CLASS_PREFETCH;
 		prefetch_req->io.io_class = OCF_IO_CLASS_PREFETCH;
 		prefetch_req->io.pf_id = pf_id;
-
 		prefetch_req->complete = _ocf_prefetch_complete;
 
 		ocf_prefetch_read(prefetch_req);