diff --git a/mtapi_plugins_c/mtapi_network_c/test/embb_mtapi_network_test_socket.cc b/mtapi_plugins_c/mtapi_network_c/test/embb_mtapi_network_test_socket.cc
index 8d89104..6b2bf88 100644
--- a/mtapi_plugins_c/mtapi_network_c/test/embb_mtapi_network_test_socket.cc
+++ b/mtapi_plugins_c/mtapi_network_c/test/embb_mtapi_network_test_socket.cc
@@ -53,8 +53,12 @@ void NetworkSocketTest::TestBasic() {
 
   err = embb_mtapi_network_socket_initialize(&server_sock);
   PT_EXPECT(err != 0);
-  err = embb_mtapi_network_socket_bind_and_listen(
-    &server_sock, "127.0.0.1", 4711, 5);
+  int port = 4700;
+  do {
+    port++;
+    err = embb_mtapi_network_socket_bind_and_listen(
+      &server_sock, "127.0.0.1", port, 5);
+  } while(err == 0 && port < 4800);
   PT_EXPECT(err != 0);
 
   err = embb_mtapi_network_socket_select(&server_sock, 1, 1);
@@ -62,7 +66,7 @@ void NetworkSocketTest::TestBasic() {
 
   err = embb_mtapi_network_socket_initialize(&client_sock);
   PT_EXPECT(err != 0);
-  err = embb_mtapi_network_socket_connect(&client_sock, "127.0.0.1", 4711);
+  err = embb_mtapi_network_socket_connect(&client_sock, "127.0.0.1", port);
   PT_EXPECT(err != 0);
 
   err = embb_mtapi_network_socket_select(&server_sock, 1, -1);