diff --git a/src/lib/platform/XWindowsScreen.h b/src/lib/platform/XWindowsScreen.h
index f2093e6d9..da7f43041 100644
--- a/src/lib/platform/XWindowsScreen.h
+++ b/src/lib/platform/XWindowsScreen.h
@@ -246,5 +246,5 @@ private:
   // pointer to (singleton) screen.  this is only needed by
   // ioErrorHandler().
   static XWindowsScreen *s_screen;
-  XDGPowerManager m_powerManager;
+  [[no_unique_address]] XDGPowerManager m_powerManager;
 };