diff --git a/ext/sockets/tests/socket_set_block-retval.phpt b/ext/sockets/tests/socket_set_block-retval.phpt
index 88e0029989a..2f3478f92e9 100644
--- a/ext/sockets/tests/socket_set_block-retval.phpt
+++ b/ext/sockets/tests/socket_set_block-retval.phpt
@@ -9,11 +9,11 @@ if (!extension_loaded('sockets')) {
 --FILE--
 <?php
 
-$socket = socket_create_listen(31339);
+$socket = socket_create_listen(0);
 var_dump(socket_set_block($socket));
 socket_close($socket);
 
-$socket2 = socket_create_listen(31340);
+$socket2 = socket_create_listen(0);
 socket_close($socket2);
 var_dump(socket_set_block($socket2));
 
diff --git a/ext/sockets/tests/socket_set_nonblock-retval.phpt b/ext/sockets/tests/socket_set_nonblock-retval.phpt
index c9bb1150abb..de9aa1b7407 100644
--- a/ext/sockets/tests/socket_set_nonblock-retval.phpt
+++ b/ext/sockets/tests/socket_set_nonblock-retval.phpt
@@ -9,11 +9,11 @@ if (!extension_loaded('sockets')) {
 --FILE--
 <?php
 
-$socket = socket_create_listen(31339);
+$socket = socket_create_listen(0);
 var_dump(socket_set_nonblock($socket));
 socket_close($socket);
 
-$socket2 = socket_create_listen(31340);
+$socket2 = socket_create_listen(0);
 socket_close($socket2);
 var_dump(socket_set_nonblock($socket2));