diff --git a/library/axi_dmac/request_arb.v b/library/axi_dmac/request_arb.v
index 1a7368027..c8cba6e39 100644
--- a/library/axi_dmac/request_arb.v
+++ b/library/axi_dmac/request_arb.v
@@ -200,6 +200,8 @@ wire src_pause;
 wire src_sync_id;
 wire src_sync_id_ret;
 
+wire req_gen_valid;
+wire req_gen_ready;
 wire req_dest_valid;
 wire req_dest_ready;
 wire req_dest_empty;