diff --git a/lamp_switch/lamp_switch.ino b/lamp_switch/lamp_switch.ino
index c5db493..7093363 100644
--- a/lamp_switch/lamp_switch.ino
+++ b/lamp_switch/lamp_switch.ino
@@ -60,12 +60,12 @@ void loop() {
 void sendCommand(boolean on) {
   if (on) {
 #if RC_SWITCH
-    mySwitch.switchOn((char*)"11111", 4);
+    mySwitch.switchOn(group, 4);
 #endif
     debug("switch on");
   } else {
 #if RC_SWITCH
-    mySwitch.switchOff((char*)"11111", 4);
+    mySwitch.switchOff(group, 4);
 #endif
     debug("switch off");
   }