diff --git a/core/net/queuebuf.c b/core/net/queuebuf.c
index 59f8f686b..72c35c3c6 100644
--- a/core/net/queuebuf.c
+++ b/core/net/queuebuf.c
@@ -77,8 +77,8 @@ struct queuebuf {
 
 /* The actual queuebuf data */
 struct queuebuf_data {
-  uint16_t len;
   uint8_t data[PACKETBUF_SIZE];
+  uint16_t len;
   struct packetbuf_attr attrs[PACKETBUF_NUM_ATTRS];
   struct packetbuf_addr addrs[PACKETBUF_NUM_ADDRS];
 };