diff --git a/Tools/ardupilotwaf/boards.py b/Tools/ardupilotwaf/boards.py
index f6ddfec7daf3ff..74ac6f5010cad8 100644
--- a/Tools/ardupilotwaf/boards.py
+++ b/Tools/ardupilotwaf/boards.py
@@ -1165,6 +1165,7 @@ def configure_env(self, cfg, env):
             '-fno-builtin-vprintf',
             '-fno-builtin-vfprintf',
             '-fno-builtin-puts',
+            '-fno-math-errno',
             '-mno-thumb-interwork',
             '-mthumb',
             '--specs=nano.specs',