diff --git a/mobile/lib/infrastructure/repositories/local_asset.repository.dart b/mobile/lib/infrastructure/repositories/local_asset.repository.dart
index 0559dc32d7..8396d6d2a6 100644
--- a/mobile/lib/infrastructure/repositories/local_asset.repository.dart
+++ b/mobile/lib/infrastructure/repositories/local_asset.repository.dart
@@ -30,7 +30,9 @@ class DriftLocalAssetRepository extends DriftDatabaseRepository {
               _db.remoteAssetEntity,
               _db.localAssetEntity.checksum.equalsExp(_db.remoteAssetEntity.checksum) &
                   _db.remoteAssetEntity.ownerId.isInQuery(
-                    _db.selectOnly(_db.authUserEntity)..addColumns([_db.authUserEntity.id]),
+                    _db.selectOnly(_db.authUserEntity)
+                      ..addColumns([_db.authUserEntity.id])
+                      ..limit(1),
                   ),
               useColumns: false,
             ),
diff --git a/mobile/lib/infrastructure/repositories/remote_asset.repository.dart b/mobile/lib/infrastructure/repositories/remote_asset.repository.dart
index aae0ed467b..19085023d9 100644
--- a/mobile/lib/infrastructure/repositories/remote_asset.repository.dart
+++ b/mobile/lib/infrastructure/repositories/remote_asset.repository.dart
@@ -64,7 +64,11 @@ class RemoteAssetRepository extends DriftDatabaseRepository {
       ..where(
         (row) =>
             row.checksum.equals(checksum) &
-            row.ownerId.isInQuery(_db.selectOnly(_db.authUserEntity)..addColumns([_db.authUserEntity.id])),
+            row.ownerId.isInQuery(
+              _db.selectOnly(_db.authUserEntity)
+                ..addColumns([_db.authUserEntity.id])
+                ..limit(1),
+            ),
       )
       ..limit(1);
 
diff --git a/mobile/lib/infrastructure/repositories/timeline.repository.dart b/mobile/lib/infrastructure/repositories/timeline.repository.dart
index db41ae6275..82ad38c80f 100644
--- a/mobile/lib/infrastructure/repositories/timeline.repository.dart
+++ b/mobile/lib/infrastructure/repositories/timeline.repository.dart
@@ -164,7 +164,9 @@ class DriftTimelineRepository extends DriftDatabaseRepository {
               _db.remoteAssetEntity,
               _db.localAssetEntity.checksum.equalsExp(_db.remoteAssetEntity.checksum) &
                   _db.remoteAssetEntity.ownerId.isInQuery(
-                    _db.selectOnly(_db.authUserEntity)..addColumns([_db.authUserEntity.id]),
+                    _db.selectOnly(_db.authUserEntity)
+                      ..addColumns([_db.authUserEntity.id])
+                      ..limit(1),
                   ),
               useColumns: false,
             ),
diff --git a/mobile/test/medium/repositories/local_asset_repository_test.dart b/mobile/test/medium/repositories/local_asset_repository_test.dart
index 32e5f42131..b77ffa72e7 100644
--- a/mobile/test/medium/repositories/local_asset_repository_test.dart
+++ b/mobile/test/medium/repositories/local_asset_repository_test.dart
@@ -58,10 +58,11 @@ void main() {
       expect(result.storage, AssetState.local);
     });
 
-    test('allows the current user to have multiple remote rows for one checksum (#29973)', () async {
-      // A single user can have many remote assets with the same checksum (their upload + external library copy)
+    test('allows the current user to have access to multiple remote rows for one checksum (#29973)', () async {
+      // A single user can have their own remote asset, a partner's remote asset, and a local asset all with the same checksum
       const checksum = 'multi-library';
-      await ctx.newRemoteAsset(ownerId: userId, checksum: checksum);
+      final partner = await ctx.newUser();
+      await ctx.newRemoteAsset(ownerId: partner.id, checksum: checksum);
       await ctx.newRemoteAsset(ownerId: userId, checksum: checksum);
       final local = await ctx.newLocalAsset(checksum: checksum);