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 0079b58603e4..225bbf0a4e33 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
@@ -289,5 +289,6 @@ class ToolWindowsWidget extends JLabel implements CustomStatusBarWidget, StatusB
     Disposer.dispose(this);
     KeyboardFocusManager.getCurrentKeyboardFocusManager().removePropertyChangeListener("focusOwner", this);
     myStatusBar = null;
+    popup = null;
   }
 }