diff --git a/platform/platform-impl/src/com/intellij/openapi/wm/impl/status/ToolWindowsWidget.java b/platform/platform-impl/src/com/intellij/openapi/wm/impl/status/ToolWindowsWidget.java
index d4477a330542..8fd1559c61b1 100644
--- a/platform/platform-impl/src/com/intellij/openapi/wm/impl/status/ToolWindowsWidget.java
+++ b/platform/platform-impl/src/com/intellij/openapi/wm/impl/status/ToolWindowsWidget.java
@@ -72,8 +72,13 @@ class ToolWindowsWidget extends JLabel implements CustomStatusBarWidget, StatusB
       @Override
       public boolean dispatch(AWTEvent e) {
         if (e instanceof MouseEvent) {
+          MouseEvent mouseEvent = (MouseEvent)e;
+          if (mouseEvent.getComponent() == null || !SwingUtilities.isDescendingFrom(mouseEvent.getComponent(), SwingUtilities.getWindowAncestor(ToolWindowsWidget.this))) {
+            return false;
+          }
+
           if (e.getID() == MouseEvent.MOUSE_MOVED && isShowing()) {
-            Point p = ((MouseEvent)e).getLocationOnScreen();
+            Point p = mouseEvent.getLocationOnScreen();
             Point screen = ToolWindowsWidget.this.getLocationOnScreen();
             if (new Rectangle(screen.x - 4, screen.y - 2, getWidth() + 4, getHeight() + 4).contains(p)) {
               mouseEntered();
@@ -85,7 +90,7 @@ class ToolWindowsWidget extends JLabel implements CustomStatusBarWidget, StatusB
             }
           } else if (e.getID() == MouseEvent.MOUSE_EXITED) {
             //mouse exits WND
-            mouseExited(((MouseEvent)e).getLocationOnScreen());
+            mouseExited(mouseEvent.getLocationOnScreen());
           }
         }
         return false;