diff --git a/media/js/office/export.js b/media/js/office/export.js
index 29be0f915b0fb635552ba9664c4cd946277703d6..ac81679f8613cad6ad4747580cb4dd8b5787058f 100644
--- a/media/js/office/export.js
+++ b/media/js/office/export.js
@@ -221,8 +221,8 @@ $(document).ready(() => {
                     jQuery.each(disciplines, function (i, val) {
                         loadedDisciplines[i] = val;
                         $('#groupTree').jstree().create_node(data.selected, {
-                            "id": "discipline_" + val.ID,
-                            // TODO: refactor
+                            "id": "discipline_" + val.ID + "_group_" + groupID ,
+                            // TODO: refactor:
                             "type": val.lastExportDate ? (val.lastExportError ? "discipline_broken": (val.isOutdated ? "discipline_outdated": "discipline_exported")) : "discipline_new",
                             "text": val.lastExportDate ? val.SubjectName + ", последняя дата: " + val.lastExportDate : val.SubjectName,
                         }, "last");