diff --git a/build/shared/revisions.txt b/build/shared/revisions.txt
index 2aba81595..d04c687bb 100644
--- a/build/shared/revisions.txt
+++ b/build/shared/revisions.txt
@@ -11,6 +11,9 @@ ARDUINO 1.5.3 BETA
 [libraries]
 * sam: Added CAN library (still in early stage of development) (Palliser)
 
+[firmwares]
+* Arduino Due: fixed USB2Serial garbage at startup (https://github.com/arduino/Arduino/pull/1267)
+
 ARDUINO 1.5.2 BETA - 2013.02.06
 
 [ide]
diff --git a/hardware/arduino/sam/firmwares/atmega16u2/Arduino-DUE-usbserial.hex b/hardware/arduino/sam/firmwares/atmega16u2/Arduino-DUE-usbserial-prod-firmware-2012-11-05.hex
similarity index 100%
rename from hardware/arduino/sam/firmwares/atmega16u2/Arduino-DUE-usbserial.hex
rename to hardware/arduino/sam/firmwares/atmega16u2/Arduino-DUE-usbserial-prod-firmware-2012-11-05.hex
diff --git a/hardware/arduino/sam/firmwares/atmega16u2/Arduino-DUE-usbserial-prod-firmware-2013-02-05.hex b/hardware/arduino/sam/firmwares/atmega16u2/Arduino-DUE-usbserial-prod-firmware-2013-02-05.hex
new file mode 100644
index 000000000..b39790b4d
--- /dev/null
+++ b/hardware/arduino/sam/firmwares/atmega16u2/Arduino-DUE-usbserial-prod-firmware-2013-02-05.hex
@@ -0,0 +1,272 @@
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diff --git a/hardware/arduino/sam/firmwares/atmega16u2/arduino-usbserial/Arduino-usbserial.c b/hardware/arduino/sam/firmwares/atmega16u2/arduino-usbserial/Arduino-usbserial.c
index 598e0c974..715ff2b8a 100644
--- a/hardware/arduino/sam/firmwares/atmega16u2/arduino-usbserial/Arduino-usbserial.c
+++ b/hardware/arduino/sam/firmwares/atmega16u2/arduino-usbserial/Arduino-usbserial.c
@@ -161,20 +161,17 @@ int main(void)
 			{
 				// SAM3X RESET/ERASE Sequence
 				// --------------------------
-				if (ResetTimer == 95) {
+				// Between 60 and 120: do erase
+				if (ResetTimer >= 60 && ResetTimer <= 120) {
 					setErasePin(true);
-					setResetPin(false);
-				}
-				if (ResetTimer == 35) {
+				} else {
 					setErasePin(false);
-					setResetPin(false);
 				}
-				if (ResetTimer == 25) {
-					setErasePin(false);
+
+				// Between 1 and 50: do reset
+				if (ResetTimer >= 1 && ResetTimer <= 50) {
 					setResetPin(true);
-				}
-				if (ResetTimer == 1) {
-					setErasePin(false);
+				} else {
 					setResetPin(false);
 				}
 				ResetTimer--;
@@ -303,10 +300,10 @@ void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const C
 
 	if (Selected1200BPS) {
 		/* Start Erase / Reset procedure when receiving the magic "1200" baudrate */
-		ResetTimer = 95;
+		ResetTimer = 120;
 	} else if (!PreviousDTRState && CurrentDTRState) {
 		/* Reset on rising edge of DTR */
-		ResetTimer = 30;
+		ResetTimer = 50;
 	}
 }