diff --git a/Tools/ardupilotwaf/boards.py b/Tools/ardupilotwaf/boards.py
index 0d00e7c4de..e24b0a54f8 100644
--- a/Tools/ardupilotwaf/boards.py
+++ b/Tools/ardupilotwaf/boards.py
@@ -274,6 +274,7 @@ class Board:
             env.CXXFLAGS += [
                 '-fcheck-new',
                 '-fsingle-precision-constant',
+                '-Wno-psabi',
             ]
 
         if cfg.env.DEBUG: