diff --git a/npc/csrc_nvboard/main.cpp b/npc/csrc_nvboard/main.cpp
index d2debc4..9c4fd10 100644
--- a/npc/csrc_nvboard/main.cpp
+++ b/npc/csrc_nvboard/main.cpp
@@ -8,10 +8,10 @@
 
 const int MAX_SIM_TIME=100;
 
-void nvboard_bind_all_pins(VKeyboard* top);
+void nvboard_bind_all_pins(VSegHandler* top);
 
 int main(int argc, char **argv, char **env) {
-    VKeyboard *top = new VKeyboard;
+    VSegHandler *top = new VSegHandler;
 
     nvboard_bind_all_pins(top);
     nvboard_init();