1 files changed, 1 insertions, 0 deletions
diff --git a/lib/flow.c b/lib/flow.c
index fc616106..fa4f5d55 100644
--- a/lib/flow.c
+++ b/lib/flow.c
@@ -1080,6 +1080,7 @@ flow_compose(struct ofpbuf *b, const struct flow *flow)
             }
         }
 
+        ip = b->l3;
         ip->ip_tot_len = htons((uint8_t *) b->data + b->size
                                - (uint8_t *) b->l3);
     } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {