Fix failure to load projects.

diff --git a/src/lib/caption_content.cc b/src/lib/caption_content.cc
index 368d276d93abfbc893829206a82cba4d5cf46366..4fa8b678f3337b61452666185780e5b432df15fc 100644 (file)
--- a/src/lib/caption_content.cc
+++ b/src/lib/caption_content.cc
@@ -99,7 +99,7 @@ CaptionContent::from_xml (Content* parent, cxml::ConstNodePtr node, int version)
                return c;
        }
 
-       if (!node->node_child("Caption")) {
+       if (!node->optional_node_child("Caption")) {
                return list<shared_ptr<CaptionContent> >();
        }