diff --git a/oio-win.c b/oio-win.c
index 64923909..f307f8d3 100644
--- a/oio-win.c
+++ b/oio-win.c
@@ -230,6 +230,7 @@ static oio_err_code oio_translate_sys_error(int sys_errno) {
     case WSAEINVAL:                     return OIO_EINVAL;
     case WSAEALREADY:                   return OIO_EALREADY;
     case ERROR_OUTOFMEMORY:             return OIO_ENOMEM;
+    case ERROR_CONNECTION_REFUSED:      return OIO_ECONNREFUSED;
     default:                            return OIO_UNKNOWN;
   }
 }
diff --git a/test/test-connection-fail.c b/test/test-connection-fail.c
index 3a268c59..a9ebe30a 100644
--- a/test/test-connection-fail.c
+++ b/test/test-connection-fail.c
@@ -40,13 +40,13 @@ static void on_close(oio_handle* handle, int status) {
 
 static void on_connect(oio_req *req, int status) {
   ASSERT(status == -1);
+  ASSERT(oio_last_error().code == OIO_ECONNREFUSED);
   connect_cb_calls++;
-
   oio_close(req->handle);
 }
 
 
-TEST_IMPL(test_connection_fail) {
+TEST_IMPL(connection_fail) {
   struct sockaddr_in client_addr, server_addr;
   int r;
 
diff --git a/test/test-list.h b/test/test-list.h
index 4451e2d9..20fffc3f 100644
--- a/test/test-list.h
+++ b/test/test-list.h
@@ -24,7 +24,7 @@ TEST_DECLARE   (close_cb_stack)
 TEST_DECLARE   (timeout)
 TEST_DECLARE   (fail_always)
 TEST_DECLARE   (pass_always)
-TEST_DECLARE   (test_connection_fail)
+TEST_DECLARE   (connection_fail)
 HELPER_DECLARE (echo_server)
 
 TASK_LIST_START
@@ -39,5 +39,5 @@ TASK_LIST_START
   TEST_ENTRY  (fail_always)
 
   TEST_ENTRY  (pass_always)
-  TEST_ENTRY  (test_connection_fail)
+  TEST_ENTRY  (connection_fail)
 TASK_LIST_END