diff --git a/Plugins/Flow.Launcher.Plugin.Program/ProgramSuffixes.xaml.cs b/Plugins/Flow.Launcher.Plugin.Program/ProgramSuffixes.xaml.cs
index d9ea3ad97d1..6b1f072f13d 100644
--- a/Plugins/Flow.Launcher.Plugin.Program/ProgramSuffixes.xaml.cs
+++ b/Plugins/Flow.Launcher.Plugin.Program/ProgramSuffixes.xaml.cs
@@ -1,4 +1,5 @@
-using System.Windows;
+using System;
+using System.Windows;
 
 namespace Flow.Launcher.Plugin.Program
 {
@@ -20,18 +21,21 @@ public ProgramSuffixes(PluginInitContext context, Settings settings)
 
         private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
         {
-            if (string.IsNullOrEmpty(tbSuffixes.Text))
+            var suffixes = tbSuffixes.Text.Split(Settings.SuffixSeperator, StringSplitOptions.RemoveEmptyEntries);
+
+            if (suffixes.Length == 0)
             {
                 string warning = context.API.GetTranslation("flowlauncher_plugin_program_suffixes_cannot_empty");
                 MessageBox.Show(warning);
                 return;
             }
 
-            _settings.ProgramSuffixes = tbSuffixes.Text.Split(Settings.SuffixSeperator);
+            _settings.ProgramSuffixes = suffixes;
+
             string msg = context.API.GetTranslation("flowlauncher_plugin_program_update_file_suffixes");
             MessageBox.Show(msg);
 
             DialogResult = true;
         }
     }
-}
+}
\ No newline at end of file
diff --git a/Plugins/Flow.Launcher.Plugin.Program/plugin.json b/Plugins/Flow.Launcher.Plugin.Program/plugin.json
index fe7a3415dba..a37075b0c77 100644
--- a/Plugins/Flow.Launcher.Plugin.Program/plugin.json
+++ b/Plugins/Flow.Launcher.Plugin.Program/plugin.json
@@ -4,7 +4,7 @@
   "Name": "Program",
   "Description": "Search programs in Flow.Launcher",
   "Author": "qianlifeng",
-  "Version": "1.5.3",
+  "Version": "1.5.4",
   "Language": "csharp",
   "Website": "https://github.com/Flow-Launcher/Flow.Launcher",
   "ExecuteFileName": "Flow.Launcher.Plugin.Program.dll",