diff --git a/Wox/PublicAPIInstance.cs b/Wox/PublicAPIInstance.cs
index 899bff997..c4626cba8 100644
--- a/Wox/PublicAPIInstance.cs
+++ b/Wox/PublicAPIInstance.cs
@@ -68,6 +68,7 @@ namespace Wox
 
         public void RestarApp()
         {
+            HideWox();
             // we must force dispose application
             // UpdateManager.RestartApp() will call Environment.Exit(0)
             // which will cause ungraceful exit