diff --git a/setup.py b/setup.py
index b2c9349..070849d 100644
--- a/setup.py
+++ b/setup.py
@@ -24,6 +24,10 @@ def platform_ext(plat):
 
 
 class bdist_wheel_injected(bdist_wheel):
+    def finalize_options(self):
+        super(bdist_wheel_injected, self).finalize_options()
+        self.root_is_pure = True
+
     def run(self):
         global platform
         platform = self.plat_name