diff --git a/src/Window.php b/src/Window.php
index 36f4fec..b23b465 100644
--- a/src/Window.php
+++ b/src/Window.php
@@ -119,11 +119,13 @@ class Window
     public function windowMinimize()
     {
         exec("xdotool windowminimize {$this->windowId}");
+        return $this;
     }
 
     public function windowRestore()
     {
         exec("xdotool windowmap {$this->windowId}");
+        return $this;
     }
 
     public function dump()