diff --git a/tests/check/elements/udpsrc.c b/tests/check/elements/udpsrc.c
index d3705ebabe..ae17c7fc35 100644
--- a/tests/check/elements/udpsrc.c
+++ b/tests/check/elements/udpsrc.c
@@ -165,7 +165,7 @@ GST_START_TEST (test_udpsrc)
   if (g_socket_send_to (socket, sa, data, 1600, NULL, NULL) != 1600)
     goto send_failure;
 
-  if (g_socket_send_to (socket, sa, data, 1600, NULL, NULL) != 1400)
+  if (g_socket_send_to (socket, sa, data, 1400, NULL, NULL) != 1400)
     goto send_failure;
 
   GST_INFO ("sent some packets");
@@ -218,6 +218,8 @@ GST_START_TEST (test_udpsrc)
   g_list_free (buffers);
   buffers = NULL;
 
+  g_mutex_unlock (&check_mutex);
+
 no_socket:
 send_failure: