diff --git a/net/udp/udp_input.c b/net/udp/udp_input.c
index fb98ab6ee5cb4..73b579ecc532f 100644
--- a/net/udp/udp_input.c
+++ b/net/udp/udp_input.c
@@ -336,6 +336,7 @@ static int udp_input(FAR struct net_driver_s *dev, unsigned int iplen)
                     }
 
                   netdev_iob_replace(dev, iob);
+                  dev->d_len -= udpiplen;
                   udp  = IPBUF(iplen);
                   conn = nextconn;
                 }