diff --git a/hw/rtl/VX_platform.vh b/hw/rtl/VX_platform.vh
index 282018b8..e3e15751 100644
--- a/hw/rtl/VX_platform.vh
+++ b/hw/rtl/VX_platform.vh
@@ -25,6 +25,7 @@
 
 `ifdef SYNTHESIS
 `define GPR_RESET
+`define GPR_DUPLICATED
 `define LSU_DUP_DISABLE
 `define ICACHE_DISABLE
 `define DCACHE_DISABLE