diff --git a/src/Terrain/TerrainQuery.cc b/src/Terrain/TerrainQuery.cc
index ed7ebb46b1690efc119fe19edc26cb46614add0a..b1d7030b0fe72e5965414f5b46cf422423b2fa5c 100644
--- a/src/Terrain/TerrainQuery.cc
+++ b/src/Terrain/TerrainQuery.cc
@@ -595,6 +595,7 @@ void TerrainAtCoordinateBatchManager::_coordinateHeights(bool success, QList<dou
     int currentIndex = 0;
     foreach (const SentRequestInfo_t& sentRequestInfo, _sentRequests) {
         if (!sentRequestInfo.queryObjectDestroyed) {
+            qCDebug(TerrainQueryLog) << "TerrainAtCoordinateBatchManager::_coordinateHeights returned TerrainCoordinateQuery:count" <<  sentRequestInfo.terrainAtCoordinateQuery << sentRequestInfo.cCoord;
             disconnect(sentRequestInfo.terrainAtCoordinateQuery, &TerrainAtCoordinateQuery::destroyed, this, &TerrainAtCoordinateBatchManager::_queryObjectDestroyed);
             QList<double> requestAltitudes = heights.mid(currentIndex, sentRequestInfo.cCoord);
             sentRequestInfo.terrainAtCoordinateQuery->_signalTerrainData(true, requestAltitudes);