diff --git a/kernel/tests.c b/kernel/tests.c
index e1065784..5339450a 100644
--- a/kernel/tests.c
+++ b/kernel/tests.c
@@ -215,7 +215,7 @@ void* server_task(void* e)
 
     tmp1 = get_clock_tick();
 
-    for (n = 0; n < 1024*4 ; n++)
+    for (n = 0; n < 1024*256 ; n++)
     {
         if (!(n%100))
         kprintf("%d-",n);
diff --git a/lwip/src/include/lwipopts.h b/lwip/src/include/lwipopts.h
index bf0d78d6..99678dbf 100644
--- a/lwip/src/include/lwipopts.h
+++ b/lwip/src/include/lwipopts.h
@@ -51,7 +51,7 @@
  */
 #define TCP_SND_BUF		1512
 
-#define TCP_SND_QUEUELEN        4
+#define TCP_SND_QUEUELEN        2
 
 /**
  * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)