diff --git a/src/services/blob.ts b/src/services/blob.ts
index 3226b88af..03505075a 100644
--- a/src/services/blob.ts
+++ b/src/services/blob.ts
@@ -2,7 +2,7 @@ import becca from "../becca/becca.js";
 import NotFoundError from "../errors/not_found_error.js";
 import protectedSessionService from "./protected_session.js";
 import utils from "./utils.js";
-import type { Blob } from "./blob-interface";
+import type { Blob } from "./blob-interface.js";
 
 function getBlobPojo(entityName: string, entityId: string, opts?: { preview: boolean }) {
     // TODO: Unused opts.
diff --git a/src/services/entity_changes.ts b/src/services/entity_changes.ts
index 81ef2649b..8937b49cd 100644
--- a/src/services/entity_changes.ts
+++ b/src/services/entity_changes.ts
@@ -7,7 +7,7 @@ import instanceId from "./instance_id.js";
 import becca from "../becca/becca.js";
 import blobService from "../services/blob.js";
 import { EntityChange } from './entity_changes_interface.js';
-import type { Blob } from "./blob-interface";
+import type { Blob } from "./blob-interface.js";
 import eventService from "./events.js";
 
 let maxEntityChangeId = 0;
diff --git a/src/share/shaca/entities/sattachment.ts b/src/share/shaca/entities/sattachment.ts
index 57d01298a..dc0ad7953 100644
--- a/src/share/shaca/entities/sattachment.ts
+++ b/src/share/shaca/entities/sattachment.ts
@@ -4,7 +4,7 @@ import sql from "../../sql.js";
 import utils from "../../../services/utils.js";
 import AbstractShacaEntity from "./abstract_shaca_entity.js";
 import SNote from "./snote.js";
-import { Blob } from '../../../services/blob-interface';
+import { Blob } from '../../../services/blob-interface.js';
 import { SAttachmentRow } from './rows.js';
 
 class SAttachment extends AbstractShacaEntity {
diff --git a/src/share/shaca/entities/snote.ts b/src/share/shaca/entities/snote.ts
index 29dc1ea95..459b5d10f 100644
--- a/src/share/shaca/entities/snote.ts
+++ b/src/share/shaca/entities/snote.ts
@@ -4,7 +4,7 @@ import sql from "../../sql.js";
 import utils from "../../../services/utils.js";
 import AbstractShacaEntity from "./abstract_shaca_entity.js";
 import escape from "escape-html";
-import { Blob } from '../../../services/blob-interface';
+import { Blob } from '../../../services/blob-interface.js';
 import SAttachment from "./sattachment.js";
 import SAttribute from "./sattribute.js";
 import SBranch from "./sbranch.js";