diff --git a/firmware/timing_control.ino b/firmware/timing_control.ino
index 3049d8a..eaaadd6 100644
--- a/firmware/timing_control.ino
+++ b/firmware/timing_control.ino
@@ -117,8 +117,11 @@ void tc_init()
     }
   }
 
-  tc_update_main();
-
+  if (tc_enabled == TIMING_CONTROL_ENABLED)
+  {
+    Serial.println("tc_enabled = " + (String)tc_enabled);
+    tc_update_main();
+  }
 }
 
 //********************************//