diff --git a/backend/drive/drive.go b/backend/drive/drive.go
index 625f4a303..b07602bb4 100644
--- a/backend/drive/drive.go
+++ b/backend/drive/drive.go
@@ -3884,7 +3884,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	if err != nil {
 		return err
 	}
-	newO, err := o.fs.newObjectWithInfo(ctx, src.Remote(), info)
+	newO, err := o.fs.newObjectWithInfo(ctx, o.remote, info)
 	if err != nil {
 		return err
 	}
diff --git a/fstest/fstests/fstests.go b/fstest/fstests/fstests.go
index b3bbc5724..46a6ff4b5 100644
--- a/fstest/fstests/fstests.go
+++ b/fstest/fstests/fstests.go
@@ -1522,9 +1522,12 @@ func Run(t *testing.T, opt *Opt) {
 
 				file1.Size = int64(buf.Len())
 				obj := findObject(ctx, t, f, file1.Path)
-				obji := object.NewStaticObjectInfo(file1.Path, file1.ModTime, int64(len(contents)), true, nil, obj.Fs())
+				remoteBefore := obj.Remote()
+				obji := object.NewStaticObjectInfo(file1.Path+"-should-be-ignored.bin", file1.ModTime, int64(len(contents)), true, nil, obj.Fs())
 				err := obj.Update(ctx, in, obji)
 				require.NoError(t, err)
+				remoteAfter := obj.Remote()
+				assert.Equal(t, remoteBefore, remoteAfter, "Remote should not change")
 				file1.Hashes = hash.Sums()
 
 				// check the object has been updated