diff --git a/Examples/WirelessProgramming_gateway/WirelessProgramming_gateway.ino b/Examples/WirelessProgramming_gateway/WirelessProgramming_gateway.ino
index bb842da..03e2c31 100644
--- a/Examples/WirelessProgramming_gateway/WirelessProgramming_gateway.ino
+++ b/Examples/WirelessProgramming_gateway/WirelessProgramming_gateway.ino
@@ -83,7 +83,7 @@ void loop(){
     if (targetID==0)
       Serial.println("TO?");
     else
-      CheckForSerialHEX((byte*)input, inputLen, radio, targetID, TIMEOUT, ACK_TIME, true);
+      CheckForSerialHEX((byte*)input, inputLen, radio, targetID, TIMEOUT, ACK_TIME, false);
   }
   else if (inputLen>3 && inputLen<=6 && input[0]=='T' && input[1]=='O' && input[2]==':')
   {