1 files changed, 4 insertions, 0 deletions
diff --git a/lib/models/parser.js b/lib/models/parser.js
index e776582..d28a4e2 100644
--- a/lib/models/parser.js
+++ b/lib/models/parser.js
@@ -43,6 +43,10 @@ Parser.prototype.parseGlossary = function(content) {
 
 Parser.prototype.preparePage = function(content) {
     var page = this.get('page');
+    if (!page.prepare) {
+        return Promise(content);
+    }
+
     return Promise(page.prepare(content));
 };