diff --git a/gunicorn/sock.py b/gunicorn/sock.py
index eb2b6fa9c..3c0e6cc86 100644
--- a/gunicorn/sock.py
+++ b/gunicorn/sock.py
@@ -36,10 +36,13 @@ def __str__(self):
     def __getattr__(self, name):
         return getattr(self.sock, name)
 
+    def supports_reuseport(self):
+        return hasattr(socket, 'SO_REUSEPORT')
+
     def set_options(self, sock, bound=False):
         sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
         if (self.conf.reuse_port
-                and hasattr(socket, 'SO_REUSEPORT')):  # pragma: no cover
+                and self.supports_reuseport()):  # pragma: no cover
             try:
                 sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
             except OSError as err:
@@ -119,6 +122,9 @@ def __init__(self, addr, conf, log, fd=None):
     def __str__(self):
         return "unix:%s" % self.cfg_addr
 
+    def supports_reuseport(self):
+        return False
+
     def bind(self, sock):
         old_umask = os.umask(self.conf.umask)
         sock.bind(self.cfg_addr)