diff --git a/konova/templates/konova/widgets/checkbox-tree-select.html b/konova/templates/konova/widgets/checkbox-tree-select.html
index 3129be8a..c2b107cc 100644
--- a/konova/templates/konova/widgets/checkbox-tree-select.html
+++ b/konova/templates/konova/widgets/checkbox-tree-select.html
@@ -41,7 +41,11 @@
         var elem = $(this);
         var val = elem.val()
         var allTreeElements = $(".tree-element")
-        var allTreeElementsContain = $(".tree-element:contains(" + val + ")")
+        var allTreeElementsContain = $(".tree-element").filter(function(){
+            var reg = new RegExp(val, "i");
+            return reg.test($(this).text());
+            }
+        );
         if(val.length > 0){
             allTreeElements.hide()
             allTreeElementsContain.show()