diff --git a/samples/widgets/native.cpp b/samples/widgets/native.cpp
index 19e1c27b70..b27da69ed0 100644
--- a/samples/widgets/native.cpp
+++ b/samples/widgets/native.cpp
@@ -170,7 +170,9 @@ public:
         );
 #endif // GTK+ 3.6/earlier
 
+        wxGCC_WARNING_SUPPRESS(ignored-qualifiers)
         g_object_ref_sink(widget);
+        wxGCC_WARNING_RESTORE(ignored-qualifiers)
 
         (void)Create(parent, wxID_ANY, widget);
     }