1 files changed, 2 insertions, 2 deletions
diff --git a/python/setup.py b/python/setup.py
index 1683674e..64e318f1 100755
--- a/python/setup.py
+++ b/python/setup.py
@@ -191,10 +191,10 @@ if __name__ == '__main__':
       extra_compile_args.append('-Wno-shorten-64-to-32')
 
     v, _, _ = platform.mac_ver()
-    if not v:
+    if v:
       v = float('.'.join(v.split('.')[:2]))
       if v >= 10.12:
-        extra_compile_args=['-std=c++11'],
+        extra_compile_args.append('-std=c++11')
 
     if warnings_as_errors in sys.argv:
       extra_compile_args.append('-Werror')