diff --git a/datamodels/2.x/itop-portal-base/portal/src/views/bricks/browse/mode_mosaic.html.twig b/datamodels/2.x/itop-portal-base/portal/src/views/bricks/browse/mode_mosaic.html.twig
index cb99c84a60..e68095221f 100644
--- a/datamodels/2.x/itop-portal-base/portal/src/views/bricks/browse/mode_mosaic.html.twig
+++ b/datamodels/2.x/itop-portal-base/portal/src/views/bricks/browse/mode_mosaic.html.twig
@@ -406,6 +406,14 @@
 			buildMosaic(oRawDatas);
 			hideMosaicLoader();
 			registerFilterListeners();
+
+			// Open first level if only one item
+			if($('#brick_content_mosaic > .mosaic-group[data-level-id="L"] > .mosaic-group-item').length == 1)
+			{
+			    setTimeout(function(){
+                    $('#brick_content_mosaic > .mosaic-group[data-level-id="L"] > .mosaic-group-item > .mosaic-item').trigger('click');
+				}, 300);
+			}
 		});
 	</script>
 {% endblock %}
\ No newline at end of file
diff --git a/datamodels/2.x/itop-portal-base/portal/src/views/bricks/browse/mode_tree.html.twig b/datamodels/2.x/itop-portal-base/portal/src/views/bricks/browse/mode_tree.html.twig
index 1ec6e677d0..7f7c8ce07a 100644
--- a/datamodels/2.x/itop-portal-base/portal/src/views/bricks/browse/mode_tree.html.twig
+++ b/datamodels/2.x/itop-portal-base/portal/src/views/bricks/browse/mode_tree.html.twig
@@ -410,6 +410,14 @@
 			hideTreeLoader();
 			registerFilterListeners();
 			collapseAll();
+
+            // Open first level if only one item
+            if($('#brick_content_tree > .list-group-item').length == 1)
+            {
+                setTimeout(function(){
+                    $('#brick_content_tree > .list-group-item > .tree-toggle').trigger('click');
+                }, 300);
+            }
 			
 			{% if sSearchValue is not null %}
 				// Filters from default value