diff --git a/ESP32-IDF_ESPNOW-Transmitter/main/joystick.c b/ESP32-IDF_ESPNOW-Transmitter/main/joystick.c
index f71df436e..d8e19ae01 100644
--- a/ESP32-IDF_ESPNOW-Transmitter/main/joystick.c
+++ b/ESP32-IDF_ESPNOW-Transmitter/main/joystick.c
@@ -85,7 +85,7 @@ void sendData (void)
     ESP_LOGI(JTAG, "pcm 3, pcm 4 [ 0x%04X, 0x%04X ]", (uint8_t)buffer.motor3_rpm_pcm, (uint8_t)buffer.motor4_rpm_pcm);
 
     // Call ESP-NOW function to send data (MAC address of receiver, pointer to the memory holding data & data length)
-    uint8_t result = esp_now_send(receiver_mac, (uint8_t *)&buffer, sizeof(buffer));
+    uint8_t result = esp_now_send((uint8_t*)receiver_mac, (uint8_t *)&buffer, sizeof(buffer));
 
     // If status is NOT OK, display error message and error code (in hexadecimal).
     if (result != 0) {