diff --git a/lib/server/appcache.js b/lib/server/appcache.js
index a0a24901..7cbdc5d4 100644
--- a/lib/server/appcache.js
+++ b/lib/server/appcache.js
@@ -45,7 +45,7 @@
         
         /* if a couple files */
         if (Util.isArray(pFileNames)) {
-            n = pFilesNames.length;
+            n = pFileNames.length;
             
             for (i = 0; i < n; i++) {
                 /* if fallback setted up */