diff --git a/packages/backend/src/NestLogger.ts b/packages/backend/src/NestLogger.ts
index d0be19664f..d011c5e42e 100644
--- a/packages/backend/src/NestLogger.ts
+++ b/packages/backend/src/NestLogger.ts
@@ -4,10 +4,9 @@
  */
 
 import { LoggerService } from '@nestjs/common';
-import Logger from '@/logger.js';
+import { coreLogger } from '@/boot/coreLogger.js';
 
-const logger = new Logger('core', 'cyan');
-const nestLogger = logger.createSubLogger('nest', 'green');
+const nestLogger = coreLogger.createSubLogger('nest', 'green');
 
 export class NestLogger implements LoggerService {
 	/**
diff --git a/packages/backend/src/boot/master.ts b/packages/backend/src/boot/master.ts
index 017778b3c1..3f8acaec30 100644
--- a/packages/backend/src/boot/master.ts
+++ b/packages/backend/src/boot/master.ts
@@ -21,6 +21,7 @@ import type { EnvService } from '@/global/EnvService.js';
 import type { EnvOption } from '@/env.js';
 import { renderInlineError } from '@/misc/render-inline-error.js';
 import { showMachineInfo } from '@/misc/show-machine-info.js';
+import { coreLogger } from '@/boot/coreLogger.js';
 import { jobQueue, server } from './common.js';
 
 const _filename = fileURLToPath(import.meta.url);
@@ -60,14 +61,12 @@ function greet(logger: Logger, bootLogger: Logger, envOption: EnvOption) {
 export async function masterMain(loggerService: LoggerService, envService: EnvService) {
 	let config!: Config;
 
-	const logger = loggerService.getLogger('core', 'cyan');
-	const bootLogger = logger.createSubLogger('boot', 'magenta');
-
+	const bootLogger = coreLogger.createSubLogger('boot', 'magenta');
 	const envOption = envService.options;
 
 	// initialize app
 	try {
-		greet(logger, bootLogger, envOption);
+		greet(coreLogger, bootLogger, envOption);
 		showEnvironment(bootLogger);
 		await showMachineInfo(bootLogger);
 		showNodejsVersion(bootLogger);