diff --git a/lib/core/resolvers/UrlResolver.js b/lib/core/resolvers/UrlResolver.js
index 18b4c04b..9d3b0153 100644
--- a/lib/core/resolvers/UrlResolver.js
+++ b/lib/core/resolvers/UrlResolver.js
@@ -252,7 +252,7 @@ UrlResolver.prototype._savePkgMeta = function (meta) {
 
     // Store ETAG under _release
     if (meta._cacheHeaders.ETag) {
-        meta._release = 'e-id:' + mout.string.trim(meta._cacheHeaders.ETag.substr(0, 10), '"');
+        meta._release = 'e-tag:' + mout.string.trim(meta._cacheHeaders.ETag.substr(0, 10), '"');
     }
 
     // Store main if is a single file