--- a/contrib/sb-bsd-sockets/local.lisp
+++ b/contrib/sb-bsd-sockets/local.lisp
@@ -6,7 +6,7 @@
 also known as unix-domain sockets."))
 
 (defmethod make-sockaddr-for ((socket local-socket)
-			      &optional sockaddr &rest address &aux (filename (first address)))
+                              &optional sockaddr &rest address &aux (filename (first address)))
   (let ((sockaddr (or sockaddr (sockint::allocate-sockaddr-un))))
     (setf (sockint::sockaddr-un-family sockaddr) sockint::af-local)
     (when filename