diff --git a/ges/ges-base-xml-formatter.c b/ges/ges-base-xml-formatter.c
index 22986badf2..09430850bf 100644
--- a/ges/ges-base-xml-formatter.c
+++ b/ges/ges-base-xml-formatter.c
@@ -1006,7 +1006,7 @@ ges_base_xml_formatter_add_clip (GESBaseXmlFormatter * self,
 
     pclip->properties = properties ? gst_structure_copy (properties) : NULL;
     pclip->children_properties =
-        properties ? gst_structure_copy (children_properties) : NULL;
+        children_properties ? gst_structure_copy (children_properties) : NULL;
     pclip->metadatas = g_strdup (metadatas);
 
     /* Add the new pending object to the hashtable */
diff --git a/ges/ges-xml-formatter.c b/ges/ges-xml-formatter.c
index 13f7c6be85..38a1537728 100644
--- a/ges/ges-xml-formatter.c
+++ b/ges/ges-xml-formatter.c
@@ -1223,8 +1223,10 @@ _save_layers (GESXmlFormatter * self, GString * str, GESTimeline * timeline)
               ges_clip_get_supported_formats (clip), _START (clip),
               _DURATION (clip), _INPOINT (clip), 0, properties));
 
-      if (GES_IS_TRANSITION_CLIP (clip))
+      if (GES_IS_TRANSITION_CLIP (clip)) {
         _save_children_properties (str, GES_TIMELINE_ELEMENT (clip));
+        self->priv->min_version = MAX (self->priv->min_version, 4);
+      }
       g_string_append (str, ">\n");
 
       g_free (extractable_id);