diff --git a/[refs] b/[refs]
index be0ef7b010c8..89b85fa0c77d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 59131d8e0ae91f2e94909e0795923c4c7ee7eb8c
+refs/heads/master: 89e1838f5f2c2af80268a096b9a687643b0d0846
diff --git a/trunk/include/linux/drbd_limits.h b/trunk/include/linux/drbd_limits.h
index 9d067ce46960..51f47a586ad8 100644
--- a/trunk/include/linux/drbd_limits.h
+++ b/trunk/include/linux/drbd_limits.h
@@ -70,11 +70,11 @@
   /* I don't think that a tcp send buffer of more than 10M is usefull */
 #define DRBD_SNDBUF_SIZE_MIN  0
 #define DRBD_SNDBUF_SIZE_MAX  (10<<20)
-#define DRBD_SNDBUF_SIZE_DEF  (2*65535)
+#define DRBD_SNDBUF_SIZE_DEF  0
 
 #define DRBD_RCVBUF_SIZE_MIN  0
 #define DRBD_RCVBUF_SIZE_MAX  (10<<20)
-#define DRBD_RCVBUF_SIZE_DEF  (2*65535)
+#define DRBD_RCVBUF_SIZE_DEF  0
 
   /* @4k PageSize -> 128kB - 512MB */
 #define DRBD_MAX_BUFFERS_MIN  32