diff --git a/examples/IRrecvDumpV2/IRrecvDumpV2.ino b/examples/IRrecvDumpV2/IRrecvDumpV2.ino
index f0bebff12..24281677d 100644
--- a/examples/IRrecvDumpV2/IRrecvDumpV2.ino
+++ b/examples/IRrecvDumpV2/IRrecvDumpV2.ino
@@ -130,6 +130,8 @@ decode_results results;  // Somewhere to store the results
 void setup() {
 #if defined(ESP8266)
   Serial.begin(kBaudRate, SERIAL_8N1, SERIAL_TX_ONLY);
+#elif ARDUINO_USB_CDC_ON_BOOT
+  Serial.begin(kBaudRate);
 #else  // ESP8266
   Serial.begin(kBaudRate, SERIAL_8N1);
 #endif  // ESP8266
diff --git a/examples/IRrecvDumpV3/IRrecvDumpV3.ino b/examples/IRrecvDumpV3/IRrecvDumpV3.ino
index 6bc054a3c..d1ec8c314 100644
--- a/examples/IRrecvDumpV3/IRrecvDumpV3.ino
+++ b/examples/IRrecvDumpV3/IRrecvDumpV3.ino
@@ -138,6 +138,8 @@ void setup() {
   OTAwifi();  // start default wifi (previously saved on the ESP) for OTA
 #if defined(ESP8266)
   Serial.begin(kBaudRate, SERIAL_8N1, SERIAL_TX_ONLY);
+#elif ARDUINO_USB_CDC_ON_BOOT
+  Serial.begin(kBaudRate);
 #else  // ESP8266
   Serial.begin(kBaudRate, SERIAL_8N1);
 #endif  // ESP8266