diff --git a/gulpfile.js b/gulpfile.js
index 92b247d7b..2179284fc 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -7,6 +7,7 @@ var runSequence = require('run-sequence');
 var spawn = require('child_process').spawn;
 
 var runSpawn = function(done, task, opt_arg) {
+  opt_arg = typeof opt_arg !== 'undefined' ? opt_arg : [];
   var child = spawn(task, opt_arg, {stdio: 'inherit'});
   child.on('close', function() {
     done();
@@ -39,7 +40,7 @@ gulp.task('typings', function(done) {
 });
 
 gulp.task('tsc', function(done) {
-  runSpawn(done, 'node_modules/typescript/bin/tsc');
+  runSpawn(done, './node_modules/typescript/bin/tsc');
 });
 
 gulp.task('prepublish', function(done) {
diff --git a/lib/taskRunner.ts b/lib/taskRunner.ts
index 40f4c42f4..cea472fec 100644
--- a/lib/taskRunner.ts
+++ b/lib/taskRunner.ts
@@ -72,7 +72,6 @@ export default class TaskRunner extends EventEmitter {
       childProcess
           .on('message',
               (m: any) => {
-                console.log(m);
                 switch (m.event) {
                   case 'testPass':
                     Logger.print('.');
diff --git a/lib/taskScheduler.ts b/lib/taskScheduler.ts
index a6dca215b..95965a15f 100644
--- a/lib/taskScheduler.ts
+++ b/lib/taskScheduler.ts
@@ -63,7 +63,7 @@ export default class TaskScheduler {
             (path) => { return capabilitiesSpecExcludes.indexOf(path) < 0; });
       }
 
-      let specLists: Array<string> = [];
+      let specLists: Array<Array<string>> = [];
       // If we shard, we return an array of one element arrays, each containing
       // the spec file. If we don't shard, we return an one element array
       // containing an array of all the spec files