1 files changed, 1 insertions, 2 deletions

diff --git a/net/batman-adv/aggregation.h b/net/batman-adv/aggregation.h
index 216337bb841..df4a5a94308 100644
--- a/net/batman-adv/aggregation.h
+++ b/net/batman-adv/aggregation.h
@@ -28,8 +28,7 @@
 static inline int aggregated_packet(int buff_pos, int packet_len,
                                     int tt_num_changes)
 {
-        int next_buff_pos = buff_pos + BAT_PACKET_LEN + (tt_num_changes *
-                                                sizeof(struct tt_change));
+        int next_buff_pos = buff_pos + BAT_PACKET_LEN + tt_len(tt_num_changes);
 
         return (next_buff_pos <= packet_len) &&
                 (next_buff_pos <= MAX_AGGREGATION_BYTES);