diff --git a/CHANGELOG b/CHANGELOG
index fda6c503..0d00a5e3 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -229,6 +229,9 @@ HISTORY
 
   ++ Bugfixes:
 
+  2010-08-10: Simon Goldschmidt
+  * tcp.c: Fixed bug #30728: tcp_new_port() did not check listen pcbs
+
   2010-08-03: Simon Goldschmidt
   * udp.c, raw.c: Don't chain empty pbufs when sending them (fixes bug #30625)
 
diff --git a/src/core/tcp.c b/src/core/tcp.c
index c7a29c50..e5a103f8 100644
--- a/src/core/tcp.c
+++ b/src/core/tcp.c
@@ -616,7 +616,7 @@ tcp_new_port(void)
     port = TCP_LOCAL_PORT_RANGE_START;
   }
   /* Check all PCB lists. */
-  for (i = 1; i < NUM_TCP_PCB_LISTS; i++) {  
+  for (i = 0; i < NUM_TCP_PCB_LISTS; i++) {  
     for(pcb = *tcp_pcb_lists[i]; pcb != NULL; pcb = pcb->next) {
       if (pcb->local_port == port) {
         goto again;