diff --git a/src/app/@core/core.module.ts b/src/app/@core/core.module.ts
index 1135104a05..f8c44fbcc0 100644
--- a/src/app/@core/core.module.ts
+++ b/src/app/@core/core.module.ts
@@ -156,7 +156,7 @@ export const NB_CORE_PROVIDERS = [
 })
 export class CoreModule {
   constructor(@Optional() @SkipSelf() parentModule: CoreModule) {
-    throwIfAlreadyLoaded(parentModule, 'CoreModule');
+    throwIfAlreadyLoaded(parentModule, CoreModule.name);
   }
 
   static forRoot(): ModuleWithProviders<CoreModule> {