diff --git a/Tools/scripts/size_compare_branches.py b/Tools/scripts/size_compare_branches.py
index fecb45188b..6ff77c1295 100755
--- a/Tools/scripts/size_compare_branches.py
+++ b/Tools/scripts/size_compare_branches.py
@@ -166,6 +166,7 @@ class SizeCompareBranches(object):
             'SITL_arm_linux_gnueabihf',
             'RADIX2HD',
             'canzero',
+            'CUAV-Pixhack-v3',  # uses USE_BOOTLOADER_FROM_BOARD
         ])
 
         # blacklist all linux boards for bootloader build: