diff --git a/setup.py b/setup.py
index 1bbd2c05c..ce8f989ab 100644
--- a/setup.py
+++ b/setup.py
@@ -569,6 +569,9 @@ class pil_build_ext(build_ext):
             if sdk_path:
                 _add_directory(library_dirs, os.path.join(sdk_path, "usr", "lib"))
                 _add_directory(include_dirs, os.path.join(sdk_path, "usr", "include"))
+
+                for extension in self.extensions:
+                    extension.extra_compile_args = ["-Wno-nullability-completeness"]
         elif (
             sys.platform.startswith("linux")
             or sys.platform.startswith("gnu")