diff --git a/winsup/cygwin/fhandler_socket_local.cc b/winsup/cygwin/fhandler_socket_local.cc
index 3de082a6c..2f4f513b2 100644
--- a/winsup/cygwin/fhandler_socket_local.cc
+++ b/winsup/cygwin/fhandler_socket_local.cc
@@ -737,8 +737,12 @@ fhandler_socket_local::fchown (uid_t uid, gid_t gid)
 int
 fhandler_socket_local::facl (int cmd, int nentries, aclent_t *aclbufp)
 {
-  if (get_sun_path () && get_sun_path ()[0] == '\0')
+  if (!dev ().isfs ())
+    /* facl called on a socket. */
     return fhandler_socket_wsock::facl (cmd, nentries, aclbufp);
+
+  /* facl on a socket file.  [We won't get here if facl is called on a
+     socket opened w/ O_PATH.] */
   fhandler_disk_file fh (pc);
   return fh.facl (cmd, nentries, aclbufp);
 }
diff --git a/winsup/cygwin/fhandler_socket_unix.cc b/winsup/cygwin/fhandler_socket_unix.cc
index dd8236384..ffcfd8c98 100644
--- a/winsup/cygwin/fhandler_socket_unix.cc
+++ b/winsup/cygwin/fhandler_socket_unix.cc
@@ -3664,10 +3664,12 @@ fhandler_socket_unix::fchown (uid_t uid, gid_t gid)
 int
 fhandler_socket_unix::facl (int cmd, int nentries, aclent_t *aclbufp)
 {
-  if (sun_path ()
-      && (sun_path ()->un_len <= (socklen_t) sizeof (sa_family_t)
-	  || sun_path ()->un.sun_path[0] == '\0'))
+  if (!dev ().isfs ())
+    /* facl called on a socket. */
     return fhandler_socket::facl (cmd, nentries, aclbufp);
+
+  /* facl on a socket file.  [We won't get here if facl is called on a
+     socket opened w/ O_PATH.] */
   fhandler_disk_file fh (pc);
   return fh.facl (cmd, nentries, aclbufp);
 }