diff --git a/drivers/net/mmnif.c b/drivers/net/mmnif.c
index f8b2afbf..5408ac1b 100644
--- a/drivers/net/mmnif.c
+++ b/drivers/net/mmnif.c
@@ -849,7 +849,7 @@ drop_packet_fast:
 
 	mmnif->stats.tx_err++;
 
-        return ERR_OK;
+        return ERR_IF;
 }
 
 /* mmnif_link_layer(): wrapper function called by ip_output()
diff --git a/kernel/tests.c b/kernel/tests.c
index f4518198..05c201db 100644
--- a/kernel/tests.c
+++ b/kernel/tests.c
@@ -132,6 +132,7 @@ static int join_test(void* arg)
 
 #if defined(CONFIG_LWIP) && defined(CONFIG_ROCKCREEK)
 static int srv_cnt = 0;
+static Server	srv;
 void srv_on_read(ServerEventArgs* e)
 {
  //       kprintf("%i:",srv_cnt);
@@ -180,7 +181,7 @@ void srv_on_conn(ServerEventArgs* e)
 
 void* server_task(void* e)
 {
-    Server	srv;
+
 
     server_init(&srv,5555,2);
     kprintf("created server\n");