diff --git a/lib/generate/site/index.js b/lib/generate/site/index.js
index 953522cef..0bd23184f 100644
--- a/lib/generate/site/index.js
+++ b/lib/generate/site/index.js
@@ -258,7 +258,7 @@ Generator.prototype.writeGlossaryIndex = function() {
 
     return fs.writeFile(
         path.join(this.options.output, 'glossary_index.json'),
-        this.glossaryIndexer.dump()
+        JSON.stringify(this.options.glossary)
     );
 };