diff --git a/ground/gcs/src/libs/osgearth/osgQtQuick/OSGGeoTransformNode.cpp b/ground/gcs/src/libs/osgearth/osgQtQuick/OSGGeoTransformNode.cpp
index f32e0ba56..6793a2807 100644
--- a/ground/gcs/src/libs/osgearth/osgQtQuick/OSGGeoTransformNode.cpp
+++ b/ground/gcs/src/libs/osgearth/osgQtQuick/OSGGeoTransformNode.cpp
@@ -123,6 +123,7 @@ public:
         if (mapNode) {
             geoPoint = osgQtQuick::toGeoPoint(mapNode->getTerrain()->getSRS(), position);
         } else {
+            qWarning() << "OSGGeoTransformNode::onChildNodeChanged - no map node";
             geoPoint = osgQtQuick::toGeoPoint(position);
         }
         if (clampToTerrain && mapNode) {