diff --git a/ui-ngx/src/app/shared/components/nav-tree.component.ts b/ui-ngx/src/app/shared/components/nav-tree.component.ts
index 60405613fb..5b698a37d3 100644
--- a/ui-ngx/src/app/shared/components/nav-tree.component.ts
+++ b/ui-ngx/src/app/shared/components/nav-tree.component.ts
@@ -52,10 +52,6 @@ export interface NavTreeEditCallbacks {
   clearSearch?: () => void;
 }
 
-interface JSTreeEventDataWithAction extends JSTreeEventData {
-  action: string;
-}
-
 export type NodesCallback = (nodes: NavTreeNode[]) => void;
 export type LoadNodesCallback = (node: NavTreeNode, cb: NodesCallback) => void;
 export type NodeSearchCallback = (searchText: string, node: NavTreeNode) => boolean;
@@ -153,9 +149,9 @@ export class NavTreeComponent implements OnInit {
 
       this.treeElement = $('.tb-nav-tree-container', this.elementRef.nativeElement).jstree(config);
 
-      this.treeElement.on('changed.jstree', (e: any, data: JSTreeEventDataWithAction) => {
-        const node: NavTreeNode = data.instance.get_selected(true)[0];
+      this.treeElement.on('changed.jstree', (e: any, data) => {
         if (this.onNodeSelected && data.action !== 'ready') {
+          const node: NavTreeNode = data.instance.get_selected(true)[0];
           this.ngZone.run(() => this.onNodeSelected(node, e as Event));
         }
       });
diff --git a/ui-ngx/src/typings/jquery.jstree.typings.d.ts b/ui-ngx/src/typings/jquery.jstree.typings.d.ts
index 0aa6a0b92e..933a9c60d5 100644
--- a/ui-ngx/src/typings/jquery.jstree.typings.d.ts
+++ b/ui-ngx/src/typings/jquery.jstree.typings.d.ts
@@ -27,6 +27,7 @@ interface JQuery {
 
 interface JSTreeEventData {
   instance: JSTree;
+  action: string;
 }
 
 interface JSTreeModelEventData extends JSTreeEventData {