diff --git a/FileCache.js b/FileCache.js
index 02c33da0e..f1a1078e1 100644
--- a/FileCache.js
+++ b/FileCache.js
@@ -101,7 +101,7 @@ function newFileCache() {
   
     function getMarketFile(pPeriod) {
 
-        marketFiles.get(pPeriod);
+        return marketFiles.get(pPeriod);
 
     }