diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 54fa7bc3..15b57ad8 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -147,7 +147,7 @@ void setup() {
      configure_wifi();	  
   }
 */	
-///  start_button_isr(); 
+  start_button_isr(); 
 	
 //  setup_sstv();
   picosstvpp_begin(26);