diff --git a/geoportal/c2cgeoportal_geoportal/views/entry.py b/geoportal/c2cgeoportal_geoportal/views/entry.py
index 4c75bda2b42..59e4cee6bce 100644
--- a/geoportal/c2cgeoportal_geoportal/views/entry.py
+++ b/geoportal/c2cgeoportal_geoportal/views/entry.py
@@ -682,6 +682,9 @@ def _wms_layers(self, ogc_server):
         return wms, list(wms.contents), wms_errors
 
     def _load_tree_items(self):
+        # Populate sqlalchemy session.identity_map to reduce the number of database requests.
+        self._ogcservers_cache = models.DBSession.query(main.OGCServer).all()
+        self._treeitems_cache = models.DBSession.query(main.TreeItem).all()
         self._layerswms_cache = models.DBSession.query(main.LayerWMS).options(
             subqueryload(main.LayerWMS.dimensions), subqueryload(main.LayerWMS.metadatas)
         ).all()