diff --git a/test-files/io/OsmChangesetElementTest/ChangesetOutput-Response-2.osc b/test-files/io/OsmChangesetElementTest/ChangesetOutput-Response-2.osc
index f561c8e..44408c0 100644
--- a/test-files/io/OsmChangesetElementTest/ChangesetOutput-Response-2.osc
+++ b/test-files/io/OsmChangesetElementTest/ChangesetOutput-Response-2.osc
@@ -1,3 +1,4 @@
+<?xml version='1.0' encoding='UTF-8'?>
<diffResult generator='OpenStreetMap Server' version='0.6'>
<way old_id='3' new_id='3' new_version='2'/>
<way old_id='4' new_id='4' new_version='2'/>