diff --git a/hardware/arduino/avr/boards.txt b/hardware/arduino/avr/boards.txt
index 93d31bb0e..60fa777a4 100644
--- a/hardware/arduino/avr/boards.txt
+++ b/hardware/arduino/avr/boards.txt
@@ -238,7 +238,7 @@ esplora.name=Arduino Esplora
 esplora.vid.0=2341
 esplora.pid.0=003c
 esplora.vid.1=2341
-esplora.pid.1=8036
+esplora.pid.1=803c
 esplora.upload.tool=avrdude
 esplora.upload.protocol=avr109
 esplora.upload.maximum_size=28672