diff --git a/setup.py b/setup.py
index ef70df9..4ade0c6 100644
--- a/setup.py
+++ b/setup.py
@@ -1218,6 +1218,12 @@
                        Extension('_gestalt', ['_gestalt.c'],
                        extra_link_args=['-framework', 'Carbon'])
                        )
+            exts.append(
+                       Extension('_scproxy', ['_scproxy.c'],
+                       extra_link_args=[
+                           '-framework', 'SystemConfiguration',
+                           '-framework', 'CoreFoundation',
+                        ]))
 
         self.extensions.extend(exts)