diff --git a/index.js b/index.js
index 1d5e7f1..33abda0 100644
--- a/index.js
+++ b/index.js
@@ -31,30 +31,28 @@ module.exports = function addRemoteScripts(bify, remote, cb) {
     var keys = Object.keys(remote); 
     if (!keys.length) return cb(null, []);
     
-    var gens = [];
-
-    var tasks = keys 
-      .map(function (k) {
-        var rem = remote[k];
-        rem.key = k;
-
-        return function (cb) { 
-          genRemote(rem, function (err, gen) {
-            if (err) return cb(err);
-            gens.push(gen);
-            cb();
-          });
-        };
-      })
-      .concat(genIndex.bind(null, gens))
-      .concat(
-        function (err) {
-          if (err) return cb(err);
-          if (bify) gens.forEach(function (gen) { bify.add(gen); });
-
-          cb(null, gens);
-        }
-      );
+    var tasks = [ runnel.seed([]) ]
+      .concat(keys.map(
+        function (k) {
+          var rem = remote[k];
+          rem.key = k;
+
+          return function (acc, cb) { 
+            genRemote(rem, function (err, gen) {
+              if (err) return cb(err);
+              acc.push(gen);
+              cb(null, acc);
+            });
+          };
+        })
+      )
+      .concat(genIndex)
+      .concat(function done (err, acc) {
+        if (err) return cb(err);
+        if (bify) acc.forEach(bify.add.bind(bify));
+
+        cb(null, acc);
+      });
 
     runnel(tasks);
   });
diff --git a/lib/gen-index.js b/lib/gen-index.js
index e8b91bc..9127a24 100644
--- a/lib/gen-index.js
+++ b/lib/gen-index.js
@@ -16,7 +16,7 @@ var genPath      =  path.join(__dirname, '..', 'loaders');
  * @name genIndex
  * @function
  * @param fullPaths {Array} of full paths to the loader files
- * @param cb {Function} calls back with error or none
+ * @param cb {Function} calls back with error or none and same fullPaths that were passed in
  */
 var genIndex = module.exports = function (fullPaths, cb) {
   if (!fullPaths.length) cb(null);
@@ -30,5 +30,7 @@ var genIndex = module.exports = function (fullPaths, cb) {
   var s = index({ keys: keys });
 
   var filePath = path.join(genPath, 'index.js');
-  fs.writeFile(filePath, s, 'utf8', cb);
+  fs.writeFile(filePath, s, 'utf8',  function (err) {
+    cb(err, fullPaths); 
+  });
 };
diff --git a/package.json b/package.json
index 3e5abb8..b109e16 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "scriptjs": "~2.4.0",
     "xtend": "~2.0.6",
     "handlebars": "~1.0.12",
-    "runnel": "~0.4.1"
+    "runnel": "~0.5.0"
   },
   "devDependencies": {
     "tape": "~1.0.4",