diff --git a/src/routes/api/sync.ts b/src/routes/api/sync.ts
index 646a514f4..428a06c94 100644
--- a/src/routes/api/sync.ts
+++ b/src/routes/api/sync.ts
@@ -12,7 +12,7 @@ import syncOptions from "../../services/sync_options.js";
 import utils from "../../services/utils.js";
 import ws from "../../services/ws.js";
 import { Request } from 'express';
-import { EntityChange, EntityChangeRecord } from '../../services/entity_changes_interface';
+import { EntityChange, EntityChangeRecord } from '../../services/entity_changes_interface.js';
 import ValidationError from "../../errors/validation_error.js";
 import consistencyChecksService from "../../services/consistency_checks.js";
 
diff --git a/src/services/cls.ts b/src/services/cls.ts
index e40038640..dbc527f4d 100644
--- a/src/services/cls.ts
+++ b/src/services/cls.ts
@@ -1,5 +1,5 @@
 import clsHooked from "cls-hooked";
-import { EntityChange } from './entity_changes_interface';
+import { EntityChange } from './entity_changes_interface.js';
 const namespace = clsHooked.createNamespace("trilium");
 
 type Callback = (...args: any[]) => any;
diff --git a/src/services/consistency_checks.ts b/src/services/consistency_checks.ts
index c928f6f12..b2bb50a6a 100644
--- a/src/services/consistency_checks.ts
+++ b/src/services/consistency_checks.ts
@@ -15,7 +15,7 @@ import eraseService from "../services/erase.js";
 import sanitizeAttributeName from "./sanitize_attribute_name.js";
 import noteTypesService from "../services/note_types.js";
 import { BranchRow } from '../becca/entities/rows.js';
-import { EntityChange } from './entity_changes_interface';
+import { EntityChange } from './entity_changes_interface.js';
 import becca_loader from "../becca/becca_loader.js";
 const noteTypes = noteTypesService.getNoteTypeNames();
 
diff --git a/src/services/entity_changes.ts b/src/services/entity_changes.ts
index 06c380f38..81ef2649b 100644
--- a/src/services/entity_changes.ts
+++ b/src/services/entity_changes.ts
@@ -6,7 +6,7 @@ import utils from "./utils.js";
 import instanceId from "./instance_id.js";
 import becca from "../becca/becca.js";
 import blobService from "../services/blob.js";
-import { EntityChange } from './entity_changes_interface';
+import { EntityChange } from './entity_changes_interface.js';
 import type { Blob } from "./blob-interface";
 import eventService from "./events.js";
 
diff --git a/src/services/sync.ts b/src/services/sync.ts
index 3390babb9..b17eaba0c 100644
--- a/src/services/sync.ts
+++ b/src/services/sync.ts
@@ -17,7 +17,7 @@ import ws from "./ws.js";
 import entityChangesService from "./entity_changes.js";
 import entityConstructor from "../becca/entity_constructor.js";
 import becca from "../becca/becca.js";
-import { EntityChange, EntityChangeRecord, EntityRow } from './entity_changes_interface';
+import { EntityChange, EntityChangeRecord, EntityRow } from './entity_changes_interface.js';
 import { CookieJar, ExecOpts } from './request_interface';
 import setupService from "./setup.js";
 import consistency_checks from "./consistency_checks.js";
diff --git a/src/services/sync_update.ts b/src/services/sync_update.ts
index abaa2fa30..275477ba2 100644
--- a/src/services/sync_update.ts
+++ b/src/services/sync_update.ts
@@ -4,7 +4,7 @@ import entityChangesService from "./entity_changes.js";
 import eventService from "./events.js";
 import entityConstructor from "../becca/entity_constructor.js";
 import ws from "./ws.js";
-import { EntityChange, EntityChangeRecord, EntityRow } from './entity_changes_interface';
+import { EntityChange, EntityChangeRecord, EntityRow } from './entity_changes_interface.js';
 
 interface UpdateContext {
     alreadyErased: number;
diff --git a/src/services/ws.ts b/src/services/ws.ts
index 4a7628b2a..06ee20d58 100644
--- a/src/services/ws.ts
+++ b/src/services/ws.ts
@@ -11,7 +11,7 @@ import AbstractBeccaEntity from "../becca/entities/abstract_becca_entity.js";
 
 import env from "./env.js";
 import { IncomingMessage, Server } from 'http';
-import { EntityChange } from './entity_changes_interface';
+import { EntityChange } from './entity_changes_interface.js';
 
 if (env.isDev()) {
     const chokidar = (await import("chokidar")).default;