diff --git a/rtl/VX_define_synth.v b/rtl/VX_define_synth.v
index 0136b895..0444fe94 100644
--- a/rtl/VX_define_synth.v
+++ b/rtl/VX_define_synth.v
@@ -1,2 +1,2 @@
-`define NT 32
+`define NT 4
 `define NW 8