diff --git a/src/main.cpp b/src/main.cpp
index ad2176e..c76275d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -32,8 +32,8 @@
 	void printCalibration();
 #endif
 
-#if ESP_ARDUINO_VERSION_MAJOR >= 2
-    #error "Please use esp32 Arduino version 1.x. Versions 2.x and above are unsupported."
+#if ESP_ARDUINO_VERSION_MAJOR == 2 && ESP_ARDUINO_VERSION_MINOR ==0 && ESP_ARDUINO_VERSION_PATCH <= 5
+    #error "Arduino ESP32 versions 2.0.0-2.0.5 are unsupported."
 #endif
 
 // DO NOT EDIT THIS FILE. ADJUST THE CONFIGURATION IN THE platformio.ini
@@ -251,7 +251,7 @@ void readSerialData()
 	uint16_t internalIndex = min(Serial.available(), MAX_BUFFER);
 
 	if (internalIndex > 0)
-		internalIndex = Serial.readBytes(base.buffer, internalIndex);
+		internalIndex = Serial.read(base.buffer, internalIndex);
 
 	if (internalIndex > 0 && curTime - stats.start > 1000)
 	{
@@ -424,9 +424,9 @@ void readSerialData()
 void setup()
 {
 	// Init serial port
+	Serial.setRxBufferSize(2048);
 	Serial.begin(SERIALCOM_SPEED);
-	Serial.setTimeout(50);
-	Serial.setRxBufferSize(MAX_BUFFER);
+	Serial.setTimeout(50);	
 
 	// Display config
 	Serial.println("\r\nWelcome!\r\nAwa driver 7.");