diff --git a/libosmscout-client-qt/include/osmscoutclientqt/PlaneMapRenderer.h b/libosmscout-client-qt/include/osmscoutclientqt/PlaneMapRenderer.h
index d122224ee..bdf135788 100644
--- a/libosmscout-client-qt/include/osmscoutclientqt/PlaneMapRenderer.h
+++ b/libosmscout-client-qt/include/osmscoutclientqt/PlaneMapRenderer.h
@@ -77,7 +77,6 @@ class OSMSCOUT_CLIENT_QT_API PlaneMapRenderer : public MapRenderer {
   size_t                        epoch{0};
 
 signals:
-  //void TileStatusChanged(const osmscout::TileRef& tile);
   void TriggerMapRenderingSignal(const MapViewStruct& request, size_t requestEpoch);
   void TriggerInitialRendering();
 
diff --git a/libosmscout-client-qt/src/osmscoutclientqt/OSMScoutQt.cpp b/libosmscout-client-qt/src/osmscoutclientqt/OSMScoutQt.cpp
index 6544524ec..573257ce1 100644
--- a/libosmscout-client-qt/src/osmscoutclientqt/OSMScoutQt.cpp
+++ b/libosmscout-client-qt/src/osmscoutclientqt/OSMScoutQt.cpp
@@ -211,6 +211,7 @@ void OSMScoutQt::RegisterQmlTypes(const char *uri,
   qRegisterMetaType<QtRouteData>("QtRouteData");
   qRegisterMetaType<uint32_t>("uint32_t");
   qRegisterMetaType<uint64_t>("uint64_t");
+  qRegisterMetaType<size_t>("size_t");
   qRegisterMetaType<AdminRegionInfoRef>("AdminRegionInfoRef");
   qRegisterMetaType<QList<AdminRegionInfoRef>>("QList<AdminRegionInfoRef>");
   qRegisterMetaType<std::unordered_map<std::string,bool>>("std::unordered_map<std::string,bool>");