diff --git a/src/core/tcp.c b/src/core/tcp.c
index 472737ff..4054f9ad 100644
--- a/src/core/tcp.c
+++ b/src/core/tcp.c
@@ -2199,7 +2199,7 @@ tcp_netif_ip_addr_changed_pcblist(const ip_addr_t *old_addr, struct tcp_pcb *pcb
 void
 tcp_netif_ip_addr_changed(const ip_addr_t *old_addr, const ip_addr_t *new_addr)
 {
-  struct tcp_pcb_listen *lpcb, *next;
+  struct tcp_pcb_listen *lpcb;
 
   if (!ip_addr_isany(old_addr)) {
     tcp_netif_ip_addr_changed_pcblist(old_addr, tcp_active_pcbs);
@@ -2207,8 +2207,7 @@ tcp_netif_ip_addr_changed(const ip_addr_t *old_addr, const ip_addr_t *new_addr)
 
     if (!ip_addr_isany(new_addr)) {
       /* PCB bound to current local interface address? */
-      for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = next) {
-        next = lpcb->next;
+      for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) {
         /* PCB bound to current local interface address? */
         if (ip_addr_cmp(&lpcb->local_ip, old_addr)) {
           /* The PCB is listening to the old ipaddr and