diff --git a/packages/backend/src/server/SkRateLimiterService.ts b/packages/backend/src/server/SkRateLimiterService.ts
index 212f00c86a..3212e5b4bd 100644
--- a/packages/backend/src/server/SkRateLimiterService.ts
+++ b/packages/backend/src/server/SkRateLimiterService.ts
@@ -13,6 +13,7 @@ import { RoleService } from '@/core/RoleService.js';
 import { CacheManagementService, type ManagedMemoryKVCache } from '@/global/CacheManagementService.js';
 import { ConflictError } from '@/misc/errors/ConflictError.js';
 import { DI } from '@/di-symbols.js';
+import { bindThis } from '@/decorators.js';
 
 // Sentinel value used for caching the default role template.
 // Required because MemoryKVCache doesn't support null keys.
@@ -64,6 +65,7 @@ export class SkRateLimiterService {
 	 * @param limit The limit definition
 	 * @param actorOrUser authenticated client user or IP hash
 	 */
+	@bindThis
 	public async limit(limit: Keyed<RateLimit>, actorOrUser: string | MiUser): Promise<LimitInfo> {
 		if (this.disabled) {
 			return disabledLimitInfo;
diff --git a/packages/backend/test/unit/server/api/SkRateLimiterServiceTests.ts b/packages/backend/test/unit/server/api/SkRateLimiterServiceTests.ts
index c8e22c5e3c..e9aff39f06 100644
--- a/packages/backend/test/unit/server/api/SkRateLimiterServiceTests.ts
+++ b/packages/backend/test/unit/server/api/SkRateLimiterServiceTests.ts
@@ -67,6 +67,10 @@ describe(SkRateLimiterService, () => {
 		mockEnvService.env.NODE_ENV = 'production';
 	});
 
+	afterEach(() => {
+		serviceUnderTest().dispose();
+	});
+
 	describe('limit', () => {
 		const actor = 'actor';
 		const key = 'test';