diff --git a/repos/libports/include/lwip/lwipopts.h b/repos/libports/include/lwip/lwipopts.h
index 56035323e1..bef50f5917 100644
--- a/repos/libports/include/lwip/lwipopts.h
+++ b/repos/libports/include/lwip/lwipopts.h
@@ -36,6 +36,7 @@ extern "C" {
 #define LWIP_NETIF_LOOPBACK         1  /* Looping back to same address? */
 #define LWIP_STATS                  0  /* disable stating */
 #define LWIP_TCP_TIMESTAMPS         1
+#define TCP_LISTEN_BACKLOG              1
 #define TCP_MSS                         1460
 #define TCP_WND                     (32 * TCP_MSS)
 #define TCP_SND_BUF                 (32 * TCP_MSS)
diff --git a/repos/libports/src/lib/vfs/lwip/vfs.cc b/repos/libports/src/lib/vfs/lwip/vfs.cc
index c7e7475415..ab5f3b272b 100644
--- a/repos/libports/src/lib/vfs/lwip/vfs.cc
+++ b/repos/libports/src/lib/vfs/lwip/vfs.cc
@@ -1040,10 +1040,6 @@ class Lwip::Tcp_socket_dir final :
 			/* tcp_sent(_pcb, tcp_sent_callback); */
 
 			tcp_err(_pcb, tcp_err_callback);
-
-			if (pcb) {
-				tcp_backlog_accepted(_pcb);
-			}
 		}
 
 		~Tcp_socket_dir()
@@ -1069,6 +1065,8 @@ class Lwip::Tcp_socket_dir final :
 			Pcb_pending *elem = new (alloc) Pcb_pending(newpcb);
 			_pcb_pending.insert(elem);
 
+			tcp_backlog_delayed(newpcb);
+
 			tcp_arg(newpcb, elem);
 			tcp_recv(newpcb, tcp_delayed_recv_callback);
 
@@ -1250,6 +1248,8 @@ class Lwip::Tcp_socket_dir final :
 					handle.socket = &new_dir;
 					new_dir.handles.insert(&handle);
 
+					tcp_backlog_accepted(pp->pcb);
+
 					_pcb_pending.remove(pp);
 					destroy(alloc, pp);