diff --git a/hardware/arduino/boards.txt b/hardware/arduino/boards.txt
index 7d25ab82b..740671c3c 100644
--- a/hardware/arduino/boards.txt
+++ b/hardware/arduino/boards.txt
@@ -151,7 +151,7 @@ leonardo.upload.protocol=avr109
 leonardo.upload.maximum_size=28672
 leonardo.upload.speed=57600
 leonardo.upload.disable_flushing=true
-leonardo.bootloader.low_fuses=0xde
+leonardo.bootloader.low_fuses=0xff
 leonardo.bootloader.high_fuses=0xd8
 leonardo.bootloader.extended_fuses=0xcb
 leonardo.bootloader.path=caterina_LUFA