diff --git a/module/testcase/js/edit.ui.js b/module/testcase/js/edit.ui.js
index 35963a80f3..ad6b73cb7e 100644
--- a/module/testcase/js/edit.ui.js
+++ b/module/testcase/js/edit.ui.js
@@ -1,6 +1,6 @@
 function loadLibModules()
 {
-    const libID = $('#lib').val();
+    const libID = $('#lib').zui('picker').$.value;
     const link = $.createLink('tree', 'ajaxGetOptionMenu', 'libID=' + libID + '&viewtype=caselib&branch=0&rootModuleID=0&returnType=items&fieldID=');
 
     $.get(link, function(data)