diff --git a/windows/mainwindow.cpp b/windows/mainwindow.cpp
index 66e4eb9..404b204 100644
--- a/windows/mainwindow.cpp
+++ b/windows/mainwindow.cpp
@@ -340,7 +340,7 @@ void MainWindow::dbAdd() {
     wchar_t path[MAX_PATH];
     SendMessage( dir_input, WM_GETTEXT, ( WPARAM )MAX_PATH - 1,
                  ( LPARAM )path );
-    if ( wcslen( path ) == 0 ) {
+    if ( path[0] == '\0' ) {
         MessageBox( window, _( DIR_EMPTY ), _( ERROR ), MB_OK | MB_ICONERROR );
         return;
     }