diff --git a/hw/rtl/VX_platform.vh b/hw/rtl/VX_platform.vh
index 9def99b6..195c252f 100644
--- a/hw/rtl/VX_platform.vh
+++ b/hw/rtl/VX_platform.vh
@@ -35,6 +35,7 @@
 `define NUM_CORES 2
 `define NUM_THREADS 8
 `define NUM_WARPS 8
+`endif
 
 `define FIRESIM