Index: lams_central/web/includes/javascript/learning-design-treeview.js
===================================================================
diff -u -r9eb09148e5b2bc28bf60fa6c7300d544947f4379 -r2e9ff38d5024435ae1fb89e1687fb7de11d335fd
--- lams_central/web/includes/javascript/learning-design-treeview.js	(.../learning-design-treeview.js)	(revision 9eb09148e5b2bc28bf60fa6c7300d544947f4379)
+++ lams_central/web/includes/javascript/learning-design-treeview.js	(.../learning-design-treeview.js)	(revision 2e9ff38d5024435ae1fb89e1687fb7de11d335fd)
@@ -100,6 +100,9 @@
 			// if folder is empty, we need to shift its icon a bit to the right 
 			if (result.length === 0) {
 				folder.icon = 'fa fa-folder-open treeview-empty';
+			} else if (folder) {
+				// remove previously set folder-open etc. classes so two folder icons are not displayed
+				folder.icon = '';
 			}
 			return result;
 		},