diff --git a/hw/application_fpga/tb/application_fpga_verilator.cc b/hw/application_fpga/tb/application_fpga_verilator.cc
index b0f917a..46c50c3 100644
--- a/hw/application_fpga/tb/application_fpga_verilator.cc
+++ b/hw/application_fpga/tb/application_fpga_verilator.cc
@@ -271,6 +271,7 @@ volatile int touch_cyc = 0;
 
 void sighandler(int)
 {
+	printf("touched!\n");
 	touch_cyc = 1000;
 }