diff --git a/src/extras/RFControl.cpp b/src/extras/RFControl.cpp
index c71c4ce..ed89819 100644
--- a/src/extras/RFControl.cpp
+++ b/src/extras/RFControl.cpp
@@ -22,7 +22,9 @@ RFControl::RFControl(uint8_t pin){
   config->rmt_mode=RMT_MODE_TX;
   config->tx_config.carrier_en=false;
   config->channel=(rmt_channel_t)nChannels;
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 4, 0)
   config->flags=0;
+#endif
   config->clk_div = 1;
   config->mem_block_num=1;
   config->gpio_num=(gpio_num_t)pin;
diff --git a/src/extras/extras.ino b/src/extras/extras.ino
index 86e56d3..c709135 100644
--- a/src/extras/extras.ino
+++ b/src/extras/extras.ino
@@ -10,11 +10,8 @@ void setup() {
 
   Serial.println("\n\nHomeSpan RF Transmitter Example");
 
-  RFControl rf(19);               // create an instance of RFControl with signal output to pin 6
+  RFControl rf(18);               // create an instance of RFControl with signal output to pin 6
 
-  for(int i=0;i<8;i++)
-    new RFControl(18);
- 
 #define NPOINTS 3
   
   uint32_t data[NPOINTS];