diff --git a/Plugins/Wox.Plugin.Folder/Main.cs b/Plugins/Wox.Plugin.Folder/Main.cs
index dbed786e3f7..5e20aeda4c4 100644
--- a/Plugins/Wox.Plugin.Folder/Main.cs
+++ b/Plugins/Wox.Plugin.Folder/Main.cs
@@ -19,7 +19,7 @@ public class Main : IPlugin, ISettingProvider, IPluginI18n, ISavable, IContextMe
 
         private string DefaultFolderSubtitleString = "Ctrl + Enter to open the directory";
 
-        private static string _fileExplorerProgramName = "explorer";
+        private const string _fileExplorerProgramName = "explorer";
         private static List<string> _driverNames;
         private PluginInitContext _context;