diff --git a/modules/juce_gui_basics/native/juce_linux_X11.h b/modules/juce_gui_basics/native/juce_linux_X11.h
index 292e421a3e..467c7c2b89 100644
--- a/modules/juce_gui_basics/native/juce_linux_X11.h
+++ b/modules/juce_gui_basics/native/juce_linux_X11.h
@@ -36,7 +36,7 @@ typedef unsigned long WindowType;
 
 
 //==============================================================================
-class XWindowSystem
+class XWindowSystem :  public DeletedAtShutdown
 {
 public:
     XDisplay displayRef() noexcept;