1 files changed, 6 insertions, 1 deletions
diff --git a/lib/models/summaryArticle.js b/lib/models/summaryArticle.js
index d2fac68..da82790 100644
--- a/lib/models/summaryArticle.js
+++ b/lib/models/summaryArticle.js
@@ -49,6 +49,11 @@ SummaryArticle.prototype.getPath = function() {
     }
 
     var ref = this.getRef();
+    if (!ref) {
+        return undefined;
+    }
+
+
     var parts = ref.split('#');
 
     var pathname = (parts.length > 1? parts.slice(0, -1).join('#') : ref);
@@ -114,7 +119,7 @@ SummaryArticle.create = function(def, level) {
     return new SummaryArticle({
         level: level,
         title: def.title,
-        ref: def.ref || def.path,
+        ref: def.ref || def.path || '',
         articles: Immutable.List(articles)
     });
 };