diff --git a/packages/core/src/api/sync/__tests__/collector.test.js b/packages/core/src/api/sync/__tests__/collector.test.js
index 598752e9c..fa1ea715d 100644
--- a/packages/core/src/api/sync/__tests__/collector.test.js
+++ b/packages/core/src/api/sync/__tests__/collector.test.js
@@ -90,6 +90,25 @@ test("localOnly note should get included as a deleted item in collector", () =>
     expect(items[1].type).toBe("note");
   }));
 
+test("unlinked relation should get included in collector", () =>
+  databaseTest().then(async (db) => {
+    await loginFakeUser(db);
+    const collector = new Collector(db);
+    await db.relations.add(
+      { id: "h", type: "note" },
+      { id: "h", type: "attachment" }
+    );
+
+    await iteratorToArray(collector.collect(100, false));
+
+    await db.relations.from({ id: "h", type: "note" }, "attachment").unlink();
+
+    const items = await iteratorToArray(collector.collect(100, false));
+
+    expect(items).toHaveLength(1);
+    expect(items[0].items[0].id).toBe("cd93df7a4c64fbd5f100361d629ac5b5");
+  }));
+
 async function iteratorToArray(iterator) {
   let items = [];
   for await (const item of iterator) {
diff --git a/packages/core/src/collections/content.ts b/packages/core/src/collections/content.ts
index a2a3448e7..b594f8245 100644
--- a/packages/core/src/collections/content.ts
+++ b/packages/core/src/collections/content.ts
@@ -197,7 +197,7 @@ export class Content implements ICollection {
     await this.db
       .sql()
       .replaceInto("content")
-      .columns(["id", "dateModified", "deleted"])
+      .columns(["id", "dateModified", "deleted", "synced"])
       .expression((eb) =>
         eb
           .selectFrom("content")
@@ -205,7 +205,8 @@ export class Content implements ICollection {
           .select((eb) => [
             "content.id",
             eb.lit(Date.now()).as("dateModified"),
-            eb.lit(1).as("deleted")
+            eb.lit(1).as("deleted"),
+            eb.lit(0).as("synced")
           ])
       )
       .execute();