diff --git a/GestureSign.Daemon/Input/InputProvider.cs b/GestureSign.Daemon/Input/InputProvider.cs
index 916ad40..225d4af 100644
--- a/GestureSign.Daemon/Input/InputProvider.cs
+++ b/GestureSign.Daemon/Input/InputProvider.cs
@@ -51,7 +51,7 @@ protected virtual void Dispose(bool disposing)
                     AppConfig.ConfigChanged -= AppConfig_ConfigChanged;
                 }
 
-                LowLevelMouseHook?.Dispose();
+                LowLevelMouseHook.Unhook();
                 disposedValue = true;
             }
         }