diff --git a/setup.py b/setup.py
index 023e821..576a20f 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,8 @@
 
 if __name__ == '__main__':
     bcrypt = Extension('bcrypt._bcrypt',
-        sources = ['bcrypt/bcrypt_python.c', 'bcrypt/blowfish.c','bcrypt/bcrypt.c'])
+        sources = ['bcrypt/bcrypt_python.c', 'bcrypt/blowfish.c','bcrypt/bcrypt.c'],
+        extra_compile_args=['-Wno-error=unused-command-line-argument-hard-error-in-future'])
     setup(name = "python-bcrypt",
           version = VERSION,
           author = "Damien Miller, maintained by @wcdolphin",