diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -1017,8 +1017,7 @@
         struct sockaddr_un *a = (struct sockaddr_un *) addr;
 #ifdef linux
         if (a->sun_path[0] == 0) {  /* Linux abstract namespace */
-            addrlen -= offsetof(struct sockaddr_un, sun_path);
-            return PyBytes_FromStringAndSize(a->sun_path, addrlen);
+            return Py_BuildValue("s", "");
         }
         else
 #endif /* linux */