diff --git a/libs/event-emitter/src/utils/tree-issues-store.ts b/libs/event-emitter/src/utils/tree-issues-store.ts
index ce2bf0d..99c5579 100644
--- a/libs/event-emitter/src/utils/tree-issues-store.ts
+++ b/libs/event-emitter/src/utils/tree-issues-store.ts
@@ -1,4 +1,5 @@
 /* eslint-disable @typescript-eslint/no-namespace */
+import { Logger } from '@nestjs/common';
 import { IssueEnhancerInterface } from '../issue-enhancers/issue-enhancer-interface';
 import { RedmineTypes } from '../models/redmine-types';
 import { FlatIssuesStore, FlatIssuesStoreNs } from './flat-issues-store';
@@ -17,12 +18,14 @@ export namespace TreeIssuesStoreNs {
 }
 
 export class TreeIssuesStore {
+  private logger = new Logger(TreeIssuesStore.name);
   private rootIssue: RedmineTypes.Issue;
   private flatStore: FlatIssuesStore;
 
   setRootIssue(issue: RedmineTypes.Issue): void {
     this.rootIssue = issue;
     this.prepareFlatIssuesStore();
+    this.logger.debug(`Set root issue_id - ${JSON.stringify(issue.id)}`);
   }
 
   async fillData(loader: FlatIssuesStoreNs.IssuesLoader): Promise<void> {