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 546275d9a3..60405613fb 100644
--- a/ui-ngx/src/app/shared/components/nav-tree.component.ts
+++ b/ui-ngx/src/app/shared/components/nav-tree.component.ts
@@ -52,6 +52,10 @@ 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;
@@ -149,7 +153,7 @@ export class NavTreeComponent implements OnInit {
 
       this.treeElement = $('.tb-nav-tree-container', this.elementRef.nativeElement).jstree(config);
 
-      this.treeElement.on('changed.jstree', (e: any, data) => {
+      this.treeElement.on('changed.jstree', (e: any, data: JSTreeEventDataWithAction) => {
         const node: NavTreeNode = data.instance.get_selected(true)[0];
         if (this.onNodeSelected && data.action !== 'ready') {
           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 d11bfec612..0aa6a0b92e 100644
--- a/ui-ngx/src/typings/jquery.jstree.typings.d.ts
+++ b/ui-ngx/src/typings/jquery.jstree.typings.d.ts
@@ -26,7 +26,6 @@ interface JQuery {
 }
 
 interface JSTreeEventData {
-  action: string;
   instance: JSTree;
 }