diff --git a/src/core/tcp_in.c b/src/core/tcp_in.c
index c15a4099..747a0181 100644
--- a/src/core/tcp_in.c
+++ b/src/core/tcp_in.c
@@ -247,6 +247,7 @@ tcp_input(struct pbuf *p, struct netif *inp)
     /* check if PCB is bound to specific netif */
     if ((pcb->netif_idx != NETIF_NO_INDEX) &&
         (pcb->netif_idx != netif_get_index(ip_data.current_input_netif))) {
+      prev = pcb;
       continue;
     }
 
@@ -304,6 +305,7 @@ tcp_input(struct pbuf *p, struct netif *inp)
       /* check if PCB is bound to specific netif */
       if ((lpcb->netif_idx != NETIF_NO_INDEX) &&
           (lpcb->netif_idx != netif_get_index(ip_data.current_input_netif))) {
+        prev = (struct tcp_pcb *)lpcb;
         continue;
       }
       
@@ -327,7 +329,7 @@ tcp_input(struct pbuf *p, struct netif *inp)
             lpcb_prev = prev;
 #else /* SO_REUSE */
             break;
- #endif /* SO_REUSE */
+#endif /* SO_REUSE */
           }
         }
       }