diff --git a/hw/rtl/VX_config.vh b/hw/rtl/VX_config.vh
index 2bed6551..71afa182 100644
--- a/hw/rtl/VX_config.vh
+++ b/hw/rtl/VX_config.vh
@@ -88,7 +88,7 @@
 `endif
 
 `ifndef NUM_CORES
-`define NUM_CORES 4
+`define NUM_CORES 8
 `endif
 
 `ifndef NUM_WARPS