diff --git a/fs/object/object.go b/fs/object/object.go
index 93c923681..01b38f57a 100644
--- a/fs/object/object.go
+++ b/fs/object/object.go
@@ -43,6 +43,9 @@ func NewStaticObjectInfo(remote string, modTime time.Time, size int64, storable
 			info.hashes[ht] = ""
 		}
 	}
+	if f == nil {
+		info.fs = MemoryFs
+	}
 	return info
 }
 
diff --git a/fs/object/object_test.go b/fs/object/object_test.go
index 1e5ca75c4..64bb36140 100644
--- a/fs/object/object_test.go
+++ b/fs/object/object_test.go
@@ -34,6 +34,7 @@ func TestStaticObject(t *testing.T) {
 	o = object.NewStaticObjectInfo(remote, now, size, true, nil, nil)
 	_, err = o.Hash(context.Background(), hash.MD5)
 	assert.Equal(t, hash.ErrUnsupported, err)
+	assert.Equal(t, object.MemoryFs, o.Fs())
 
 	hs := map[hash.Type]string{
 		hash.MD5: "potato",