diff --git a/ges/ges-xml-formatter.c b/ges/ges-xml-formatter.c
index cfbddcc15b..409c5542b7 100644
--- a/ges/ges-xml-formatter.c
+++ b/ges/ges-xml-formatter.c
@@ -434,6 +434,8 @@ _parse_track (GMarkupParseContext * context, const gchar * element_name,
 
   if (properties) {
     props = gst_structure_from_string (properties, NULL);
+    if (!props)
+      goto wrong_properties;
   }
 
   ges_base_xml_formatter_add_track (GES_BASE_XML_FORMATTER (self), track_type,
@@ -460,6 +462,13 @@ convertion_failed:
       g_strerror (errno));
   return;
 
+wrong_properties:
+  gst_clear_caps (&caps);
+  g_set_error (error, G_MARKUP_ERROR,
+      G_MARKUP_ERROR_INVALID_CONTENT,
+      "element '%s', Can not create properties: %s'", element_name, properties);
+  return;
+
 }
 
 static inline void