diff --git a/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs b/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs
index a59feebd8a..0e7c167bc4 100644
--- a/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs
+++ b/src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs
@@ -827,8 +827,8 @@ namespace PowerLauncher.ViewModel
                     {
                         _hotkeyManager.UnregisterHotkey(_hotkeyHandle);
                     }
-                    _hotkeyManager.Dispose();
-                    _updateSource.Dispose();
+                    _hotkeyManager?.Dispose();
+                    _updateSource?.Dispose();
                     _disposed = true;
                 }
             }