diff --git a/src/backend/model/extension/ExtensionDecorator.ts b/src/backend/model/extension/ExtensionDecorator.ts
index ddff3c3f..a0870f49 100644
--- a/src/backend/model/extension/ExtensionDecorator.ts
+++ b/src/backend/model/extension/ExtensionDecorator.ts
@@ -1,7 +1,15 @@
 import {IExtensionEvent, IExtensionEvents} from './IExtension';
-import {ObjectManagers} from '../ObjectManagers';
 import {ExtensionEvent} from './ExtensionEvent';
 
+export class ExtensionDecoratorObject {
+  public static events: IExtensionEvents;
+
+  static init(events: IExtensionEvents) {
+    this.events = events;
+  }
+
+}
+
 export const ExtensionDecorator = <I extends [], O>(fn: (ee: IExtensionEvents) => IExtensionEvent<I, O>) => {
   return (
     target: unknown,
@@ -11,11 +19,11 @@ export const ExtensionDecorator = <I extends [], O>(fn: (ee: IExtensionEvents) =
 
     const targetMethod = descriptor.value;
     descriptor.value = async function(...args: I) {
-      if (!ObjectManagers.isReady()) {
+      if (!ExtensionDecoratorObject.events) {
         return await targetMethod.apply(this, args);
       }
 
-      const event = fn(ObjectManagers.getInstance().ExtensionManager.events) as ExtensionEvent<I, O>;
+      const event = fn(ExtensionDecoratorObject.events) as ExtensionEvent<I, O>;
       const eventObj = {stopPropagation: false};
       const input = await event.triggerBefore({inputs: args}, eventObj);
 
diff --git a/src/backend/model/extension/ExtensionManager.ts b/src/backend/model/extension/ExtensionManager.ts
index 5d761e96..c98a6e69 100644
--- a/src/backend/model/extension/ExtensionManager.ts
+++ b/src/backend/model/extension/ExtensionManager.ts
@@ -10,6 +10,7 @@ import {ExtensionEvent} from './ExtensionEvent';
 import * as express from 'express';
 import {SQLConnection} from '../database/SQLConnection';
 import {ExtensionObject} from './ExtensionObject';
+import {ExtensionDecoratorObject} from './ExtensionDecorator';
 
 const LOG_TAG = '[ExtensionManager]';
 
@@ -57,6 +58,7 @@ export class ExtensionManager implements IObjectManager {
         }
       }
     };
+    ExtensionDecoratorObject.init(this.events);
   }
 
   public loadExtensionsList() {