diff --git a/Tools/scripts/build_binaries.py b/Tools/scripts/build_binaries.py
index 702fd10ca1..eb515d3e85 100755
--- a/Tools/scripts/build_binaries.py
+++ b/Tools/scripts/build_binaries.py
@@ -513,7 +513,7 @@ is bob we will attempt to checkout bob-AVR'''
                 "CUAVv5",
                 "mRoX21",
                 "Pixracer",
-                "f4by"]
+                "F4BY"]
 
     def build_arducopter(self, tag):
         '''build Copter binaries'''