diff --git a/src/blackmisc/pixmap.h b/src/blackmisc/pixmap.h
index 840d52674..62a946773 100644
--- a/src/blackmisc/pixmap.h
+++ b/src/blackmisc/pixmap.h
@@ -65,8 +65,9 @@ namespace BlackMisc
     };
 } // namespace
 
+//! \todo remove flags when gcc 4.7 streaming issue is resolved
 BLACK_DECLARE_TUPLE_CONVERSION(BlackMisc::CPixmap, (
-                                   attr(o.m_array)
+                                   attr(o.m_array, flags<DisabledForJson>())
                                ))
 Q_DECLARE_METATYPE(BlackMisc::CPixmap)